diff --git a/package-lock.json b/package-lock.json
index d6c0821..be9214e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,6 +9,7 @@
       "version": "0.0.0",
       "dependencies": {
         "@headlessui/react": "^2.2.7",
+        "@types/lodash": "^4.17.20",
         "lodash": "^4.17.21",
         "react": "^19.1.1",
         "react-dom": "^19.1.1"
@@ -1614,6 +1615,12 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@types/lodash": {
+      "version": "4.17.20",
+      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.17.20.tgz",
+      "integrity": "sha512-H3MHACvFUEiujabxhaI/ImO6gUrd8oOurg7LQtS7mbwIXA/cUqWrvBsaeJ23aZEPk1TAYkurjfMbSELfoCXlGA==",
+      "license": "MIT"
+    },
     "node_modules/@types/react": {
       "version": "19.1.10",
       "resolved": "https://registry.npmjs.org/@types/react/-/react-19.1.10.tgz",
diff --git a/package.json b/package.json
index 06714da..8aa6905 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
   },
   "dependencies": {
     "@headlessui/react": "^2.2.7",
+    "@types/lodash": "^4.17.20",
     "lodash": "^4.17.21",
     "react": "^19.1.1",
     "react-dom": "^19.1.1"
diff --git a/src/App.tsx b/src/App.tsx
index b72279c..898da94 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -1,9 +1,10 @@
 import { useEffect, useReducer } from "react";
 import "./App.css";
 import { Equipment } from "./components/Equipment";
+import { SourceList } from "./components/SourceList";
+import { StateContext } from "./lib/context/StateContext";
 import { reducer, withLoadingAction } from "./lib/state";
 import type { ItemId } from "./lib/types";
-import { SourceList } from "./components/SourceList";
 
 function App() {
   const [state, dispatch] = useReducer(withLoadingAction(reducer), "loading");
@@ -38,7 +39,12 @@ function App() {
   }
 
   return (
-    <>
+    <StateContext.Provider
+      value={{
+        state,
+        dispatch,
+      }}
+    >
       <h1>WoW Gear Finder</h1>
       <Equipment
         state={state}
@@ -46,7 +52,7 @@ function App() {
         onUnequip={(item) => dispatch({ action: "unequipItem", item })}
       />
       <SourceList state={state} />
-    </>
+    </StateContext.Provider>
   );
 }
 
diff --git a/src/components/Equipment.module.css b/src/components/Equipment.module.css
index b89f4aa..ff58c34 100644
--- a/src/components/Equipment.module.css
+++ b/src/components/Equipment.module.css
@@ -1,7 +1,7 @@
 .equipedItems {
   display: grid;
   gap: 8px;
-  grid-template-columns: 200px 1fr;
+  grid-template-columns: 10em 1fr 1fr 5em;
   align-items: stretch;
 }
 
@@ -11,7 +11,17 @@
 }
 
 .slot {
+  grid-column: 1;
 }
 
-.items {
+.item {
+  grid-column: 2;
+}
+
+.quality {
+  grid-column: 3;
+}
+
+.actions {
+  grid-column: 4;
 }
diff --git a/src/components/Equipment.tsx b/src/components/Equipment.tsx
index c9032ca..cc24afc 100644
--- a/src/components/Equipment.tsx
+++ b/src/components/Equipment.tsx
@@ -4,6 +4,7 @@ import { Slots, type Item, type Slot } from "../lib/types";
 import { ItemLink } from "./ItemLink";
 import { ItemTypeahead } from "./ItemTypeahead";
 import styles from "./Equipment.module.css";
+import { QualitySelector } from "./QualitySelector";
 
 export type Props = {
   state: State;
@@ -28,19 +29,37 @@ type SlotProps = {
   onUnequip: (item: Item) => void;
 };
 
-const Slot = ({ state, slot, onUnequip }: SlotProps) => (
-  <>
-    <div className={`${styles.slot} ${styles.gridItem}`}>{slot}</div>
-    <div className={styles.gridItem}>
-      {state.equipedItems
-        .map((item) => ({ ...item, item: ItemsById[item.id] }))
-        .filter((item) => item && item.item.slot === slot)
-        .map((item) => (
-          <div>
-            <ItemLink item={item.item} />({item.quality})
+const Slot = ({ state, slot, onUnequip }: SlotProps) => {
+  const items = state.equipedItems
+    .map((item) => ({ ...item, item: ItemsById[item.id] }))
+    .filter((item) => item && item.item.slot === slot);
+
+  return (
+    <>
+      <div className={`${styles.slot} ${styles.gridItem}`}>{slot}</div>
+      {
+        // Show placeholder if there are no items
+        items.length === 0 && (
+          <>
+            <div className={`${styles.gridItem} ${styles.item}`}></div>
+            <div className={`${styles.gridItem} ${styles.quality}`}></div>
+            <div className={`${styles.gridItem} ${styles.actions}`}></div>
+          </>
+        )
+      }
+      {items.map((item) => (
+        <>
+          <div className={`${styles.gridItem} ${styles.item}`}>
+            <ItemLink item={item.item} />
+          </div>
+          <div className={`${styles.gridItem} ${styles.quality}`}>
+            <QualitySelector item={item} />
+          </div>
+          <div className={`${styles.gridItem} ${styles.actions}`}>
             <button onClick={() => onUnequip(item.item)}>X</button>
           </div>
-        ))}
-    </div>
-  </>
-);
+        </>
+      ))}
+    </>
+  );
+};
diff --git a/src/components/QualitySelector.tsx b/src/components/QualitySelector.tsx
new file mode 100644
index 0000000..7796584
--- /dev/null
+++ b/src/components/QualitySelector.tsx
@@ -0,0 +1,27 @@
+import { useAppState } from "../lib/context/StateContext";
+import { Quality, type EquipedItem } from "../lib/types";
+
+export type Props = {
+  item: EquipedItem;
+};
+
+export const QualitySelector = ({ item }: Props) => {
+  const { dispatch } = useAppState();
+
+  const handleOnChange = (event: React.ChangeEvent<HTMLSelectElement>) => {
+    dispatch({
+      action: "changeQuality",
+      itemId: item.id,
+      quality: event.target.value as Quality,
+    });
+  };
+  return (
+    <select onChange={handleOnChange}>
+      {Object.values(Quality).map((quality) => (
+        <option value={quality} selected={item.quality === quality}>
+          {quality.charAt(0).toUpperCase() + quality.slice(1)}
+        </option>
+      ))}
+    </select>
+  );
+};
diff --git a/src/components/SourceList.tsx b/src/components/SourceList.tsx
index 0886a18..0eda1db 100644
--- a/src/components/SourceList.tsx
+++ b/src/components/SourceList.tsx
@@ -1,7 +1,12 @@
 import * as _ from "lodash";
-import { getUpgrades, qualityAtMost } from "../lib/items";
+import { getUpgrades, hasUpgradeType } from "../lib/items";
 import type { State } from "../lib/state";
-import type { Item } from "../lib/types";
+import {
+  UpgradeType,
+  type Item,
+  type Source,
+  type Upgrade,
+} from "../lib/types";
 import styles from "./SourceList.module.css";
 
 export type Props = {
@@ -11,7 +16,7 @@ export type Props = {
 export const SourceList = ({ state }: Props) => {
   const upgrades = getUpgrades(state.equipedItems);
 
-  const upgradesBySource = _.groupBy(
+  const upgradesBySource: Record<Source, Upgrade[]> = _.groupBy(
     upgrades,
     (upgrade: { item: Item }) => upgrade.item.source,
   );
@@ -22,19 +27,23 @@ export const SourceList = ({ state }: Props) => {
       <div>Champion</div>
       <div>Hero</div>
       <div>Myth</div>
-      {Object.entries(upgradesBySource).map(([source, items]) => {
-        const champion = items.filter(qualityAtMost("champion")).length;
-        const hero = items.filter(qualityAtMost("hero")).length;
-        const myth = items.filter(qualityAtMost("myth")).length;
-        return (
-          <>
-            <div>{source}</div>
-            <div>{champion}</div>
-            <div>{hero}</div>
-            <div>{myth}</div>
-          </>
-        );
-      })}
+      {Object.entries(upgradesBySource).map(
+        ([source, items]: [string, Upgrade[]]) => {
+          const champion = items.filter(
+            hasUpgradeType(UpgradeType.Champion),
+          ).length;
+          const hero = items.filter(hasUpgradeType(UpgradeType.Hero)).length;
+          const myth = items.filter(hasUpgradeType(UpgradeType.Myth)).length;
+          return (
+            <>
+              <div>{source}</div>
+              <div>{champion}</div>
+              <div>{hero}</div>
+              <div>{myth}</div>
+            </>
+          );
+        },
+      )}
     </div>
   );
 };
diff --git a/src/lib/context/StateContext.ts b/src/lib/context/StateContext.ts
new file mode 100644
index 0000000..3fa1b85
--- /dev/null
+++ b/src/lib/context/StateContext.ts
@@ -0,0 +1,17 @@
+import { createContext, useContext } from "react";
+import type { State, Action } from "../state";
+
+export type StateContextType = {
+  state: State;
+  dispatch: React.ActionDispatch<[Action]>;
+};
+
+export const StateContext = createContext<StateContextType | null>(null);
+
+export function useAppState(): StateContextType {
+  const value = useContext(StateContext);
+  if (!value) {
+    throw new Error("useState must be used within a StateContext.Provider");
+  }
+  return value;
+}
diff --git a/src/lib/drops/aldani.ts b/src/lib/drops/aldani.ts
new file mode 100644
index 0000000..8380bd2
--- /dev/null
+++ b/src/lib/drops/aldani.ts
@@ -0,0 +1,46 @@
+import type { ItemId } from "../types";
+
+export const Aldani = [
+  {
+    id: 242494 as ItemId,
+    slot: "trinket",
+    name: "Lily of the Eternal Weave",
+    source: "aldani" as const,
+  },
+  {
+    id: 242495 as ItemId,
+    slot: "trinket",
+    name: "Incorporeal Warpclaw",
+    source: "aldani" as const,
+  },
+  {
+    id: 242481 as ItemId,
+    slot: "2h-weapon",
+    name: "Spellstrike Warplance",
+    source: "aldani" as const,
+  },
+  {
+    id: 242473 as ItemId,
+    slot: "legs",
+    name: "Spittle-Stained Trousers",
+    source: "aldani" as const,
+  },
+  {
+    id: 242470 as ItemId,
+    slot: "1h-weapon",
+    name: "Mandibular Bonewhacker",
+    source: "aldani" as const,
+  },
+  {
+    id: 242486 as ItemId,
+    slot: "shoulders",
+    name: "Mantle of Wounded Fate",
+    source: "aldani" as const,
+  },
+  {
+    id: 242482 as ItemId,
+    slot: "chest",
+    name: "Reinforced Stalkerhide Vest",
+    source: "aldani" as const,
+  },
+] as const;
diff --git a/src/lib/drops/ara-kara.ts b/src/lib/drops/ara-kara.ts
new file mode 100644
index 0000000..68c7a16
--- /dev/null
+++ b/src/lib/drops/ara-kara.ts
@@ -0,0 +1,52 @@
+import type { ItemId } from "../types";
+
+export const AraKara = [
+  {
+    id: 221159 as ItemId,
+    slot: "2h-weapon",
+    name: "Harvester's Interdiction",
+    source: "ara-kara",
+  },
+  {
+    id: 219317 as ItemId,
+    slot: "trinket",
+    name: "Harvester's Edict",
+    source: "ara-kara",
+  },
+  {
+    id: 219316 as ItemId,
+    slot: "trinket",
+    name: "Ceaseless Swarmgland",
+    source: "ara-kara",
+  },
+  {
+    id: 221157 as ItemId,
+    slot: "wrist",
+    name: "Unbreakable Beetlebane Bindings",
+    source: "ara-kara",
+  },
+  {
+    id: 221153 as ItemId,
+    slot: "legs",
+    name: "Gauzewoven Legguards",
+    source: "ara-kara",
+  },
+  {
+    id: 221154 as ItemId,
+    slot: "back",
+    name: "Swarmcaller's Shroud",
+    source: "ara-kara",
+  },
+  {
+    id: 221163 as ItemId,
+    slot: "head",
+    name: "Whispering Mask",
+    source: "ara-kara",
+  },
+  {
+    id: 219315 as ItemId,
+    slot: "trinket",
+    name: "Refracting Aggression Module",
+    source: "ara-kara",
+  },
+] as const;
diff --git a/src/lib/drops/dawnbreaker.ts b/src/lib/drops/dawnbreaker.ts
new file mode 100644
index 0000000..e7946af
--- /dev/null
+++ b/src/lib/drops/dawnbreaker.ts
@@ -0,0 +1,76 @@
+import type { Item } from "../types";
+
+export const Dawnbreaker = [
+  {
+    id: 219312,
+    slot: "trinket",
+    name: "Empowering Crystal of Anub'ikkaj",
+    source: "dawnbreaker" as const,
+  },
+  {
+    id: 225574,
+    slot: "back",
+    name: "Wings of Shattered Sorrow",
+    source: "dawnbreaker" as const,
+  },
+  {
+    id: 219311,
+    slot: "trinket",
+    name: "Void Pactstone",
+    source: "dawnbreaker" as const,
+  },
+  {
+    id: 221142,
+    slot: "wrist",
+    name: "Scheming Assailer's Bands",
+    source: "dawnbreaker" as const,
+  },
+  {
+    id: 221137,
+    slot: "2h-weapon",
+    name: "Black Shepherd's Guisarme",
+    source: "dawnbreaker" as const,
+  },
+  {
+    id: 221144,
+    slot: "1h-weapon",
+    name: "Zephyrous Sail Carver",
+    source: "dawnbreaker" as const,
+  },
+  {
+    id: 221134,
+    slot: "waist",
+    name: "Shadow Congregant's Belt",
+    source: "dawnbreaker" as const,
+  },
+  {
+    id: 221145,
+    slot: "1h-weapon",
+    name: "Shipwrecker's Bludgeon",
+    source: "dawnbreaker" as const,
+  },
+  {
+    id: 221148,
+    slot: "shoulders",
+    name: "Epaulets of the Clipped Wings",
+    source: "dawnbreaker" as const,
+  },
+  {
+    id: 225583,
+    slot: "waist",
+    name: "Behemoth's Eroded Cinch",
+    source: "dawnbreaker" as const,
+  },
+  {
+    id: 212453,
+    slot: "trinket",
+    name: "Skyterror's Corrosive Organ",
+    source: "dawnbreaker" as const,
+  },
+  {
+    id: 212398,
+    slot: "1h-weapon",
+    name: "Bludgeons of Blistering Wind",
+    source: "dawnbreaker" as const,
+  },
+] as Item[];
diff --git a/src/lib/drops/floodgate.ts b/src/lib/drops/floodgate.ts
new file mode 100644
index 0000000..ffe4fc8
--- /dev/null
+++ b/src/lib/drops/floodgate.ts
@@ -0,0 +1,46 @@
+import type { ItemId } from "../types";
+
+export const Floodgate = [
+  {
+    id: 232541 as ItemId,
+    slot: "trinket",
+    name: "Improvised Seaforium Pacemaker",
+    source: "floodgate" as const,
+  },
+  {
+    id: 234499 as ItemId,
+    slot: "wrist",
+    name: "Disturbed Kelp Wraps",
+    source: "floodgate" as const,
+  },
+  {
+    id: 246274 as ItemId,
+    slot: "feet",
+    name: "Geezle's Zapstep Boots",
+    source: "floodgate" as const,
+  },
+  {
+    id: 234494 as ItemId,
+    slot: "2h-weapon",
+    name: "Gallytech Turbo-Tiller",
+    source: "floodgate" as const,
+  },
+  {
+    id: 234498 as ItemId,
+    slot: "head",
+    name: "Waterworks Filtration Mask",
+    source: "floodgate" as const,
+  },
+  {
+    id: 234507 as ItemId,
+    slot: "back",
+    name: "Electrician's Siphoning Filter",
+    source: "floodgate" as const,
+  },
+  {
+    id: 234500 as ItemId,
+    slot: "shoulders",
+    name: "Mechanized Junkpads",
+    source: "floodgate" as const,
+  },
+] as const;
diff --git a/src/lib/drops/halls-of-atonement.ts b/src/lib/drops/halls-of-atonement.ts
new file mode 100644
index 0000000..8a957c8
--- /dev/null
+++ b/src/lib/drops/halls-of-atonement.ts
@@ -0,0 +1,52 @@
+import type { ItemId } from "../types";
+
+export const HallsOfAtonement = [
+  {
+    id: 246344 as ItemId,
+    slot: "trinket",
+    name: "Cursed Stone Idol",
+    source: "halls-of-atonement" as const,
+  },
+  {
+    id: 178832 as ItemId,
+    slot: "hands",
+    name: "Gloves of Haunting Fixation",
+    source: "halls-of-atonement" as const,
+  },
+  {
+    id: 178819 as ItemId,
+    slot: "legs",
+    name: "Skyterror's Stonehide Leggings",
+    source: "halls-of-atonement" as const,
+  },
+  {
+    id: 246273 as ItemId,
+    slot: "chest",
+    name: "Vest of Refracted Shadows",
+    source: "halls-of-atonement" as const,
+  },
+  {
+    id: 178834 as ItemId,
+    slot: "1h-weapon",
+    name: "Stoneguardian's Morningstar",
+    source: "halls-of-atonement" as const,
+  },
+  {
+    id: 178823 as ItemId,
+    slot: "waist",
+    name: "Waistcord of Dark Devotion",
+    source: "halls-of-atonement" as const,
+  },
+  {
+    id: 178825 as ItemId,
+    slot: "trinket",
+    name: "Pulsating Stoneheart",
+    source: "halls-of-atonement" as const,
+  },
+  {
+    id: 178817 as ItemId,
+    slot: "head",
+    name: "Hood of Refracted Shadows",
+    source: "halls-of-atonement" as const,
+  },
+] as const;
diff --git a/src/lib/drops/index.ts b/src/lib/drops/index.ts
new file mode 100644
index 0000000..d4f0b7a
--- /dev/null
+++ b/src/lib/drops/index.ts
@@ -0,0 +1,8 @@
+export { Aldani } from "./aldani";
+export { AraKara } from "./ara-kara";
+export { Dawnbreaker } from "./dawnbreaker";
+export { Floodgate } from "./floodgate";
+export { HallsOfAtonement } from "./halls-of-atonement";
+export { PrioryOfTheSacredFlame } from "./priory";
+export { Streets, Gambit } from "./tazavesh";
+export { ManaforgeOmega } from "./manaforge-omega";
diff --git a/src/lib/drops/manaforge-omega.ts b/src/lib/drops/manaforge-omega.ts
new file mode 100644
index 0000000..1abce8a
--- /dev/null
+++ b/src/lib/drops/manaforge-omega.ts
@@ -0,0 +1,40 @@
+import type { ItemId } from "../types";
+
+export const ManaforgeOmega = [
+  {
+    id: 237673 as ItemId,
+    name: "Half-Mask of Fallen Storms",
+    slot: "head",
+    source: "manaforge omega",
+  },
+  {
+    id: 237674 as ItemId,
+    name: "Grasp of Fallen Storms",
+    slot: "hands",
+    source: "manaforge omega",
+  },
+  {
+    id: 237676 as ItemId,
+    name: "Gi of Fallen Storms",
+    slot: "chest",
+    source: "manaforge omega",
+  },
+  {
+    id: 237672 as ItemId,
+    name: "Legwraps of Fallen Storms",
+    slot: "legs",
+    source: "manaforge omega",
+  },
+  {
+    id: 237671 as ItemId,
+    name: "Glyphs of Fallen Storms",
+    slot: "shoulders",
+    source: "manaforge omega",
+  },
+  {
+    id: 235799 as ItemId,
+    name: "Reshii Wraps",
+    slot: "back",
+    source: "manaforge omega",
+  },
+] as const;
diff --git a/src/lib/drops/priory.ts b/src/lib/drops/priory.ts
new file mode 100644
index 0000000..0853762
--- /dev/null
+++ b/src/lib/drops/priory.ts
@@ -0,0 +1,34 @@
+import type { ItemId } from "../types";
+
+export const PrioryOfTheSacredFlame = [
+  {
+    id: 219309 as ItemId,
+    slot: "trinket",
+    name: "Tome of Light's Devotion",
+    source: "priory" as const,
+  },
+  {
+    id: 219308 as ItemId,
+    slot: "trinket",
+    name: "Signet of the Priory",
+    source: "priory" as const,
+  },
+  {
+    id: 252009 as ItemId,
+    slot: "neck",
+    name: "Bloodstained Memento",
+    source: "priory" as const,
+  },
+  {
+    id: 221200 as ItemId,
+    slot: "finger",
+    name: "Radiant Necromancer's Band",
+    source: "priory" as const,
+  },
+  {
+    id: 221125 as ItemId,
+    slot: "head",
+    name: "Helm of the Righteous Crusade",
+    source: "priory" as const,
+  },
+] as const;
diff --git a/src/lib/drops/tazavesh.ts b/src/lib/drops/tazavesh.ts
new file mode 100644
index 0000000..bb0244a
--- /dev/null
+++ b/src/lib/drops/tazavesh.ts
@@ -0,0 +1,115 @@
+import type { ItemId } from "../types";
+
+export const Gambit = [
+  {
+    id: 190958 as ItemId,
+    slot: "trinket",
+    name: "So'leah's Secret Technique",
+    source: "gambit" as const,
+  },
+  {
+    id: 185818 as ItemId,
+    slot: "trinket",
+    name: "So'leah's Secret Technique",
+    source: "gambit" as const,
+  },
+  {
+    id: 185823 as ItemId,
+    slot: "1h-weapon",
+    name: "Fatebreaker, Destroyer of Futures",
+    source: "gambit" as const,
+  },
+  {
+    id: 246280 as ItemId,
+    slot: "feet",
+    name: "Boots of Titanic Deconversion",
+    source: "gambit" as const,
+  },
+  {
+    id: 185781 as ItemId,
+    slot: "back",
+    name: "Drape of Titanic Dreams",
+    source: "gambit" as const,
+  },
+  {
+    id: 185790 as ItemId,
+    slot: "feet",
+    name: "Treads of Titanic Deconversion",
+    source: "gambit" as const,
+  },
+  {
+    id: 185797 as ItemId,
+    slot: "head",
+    name: "Rakishly Tipped Tricorne",
+    source: "gambit" as const,
+  },
+  {
+    id: 185801 as ItemId,
+    slot: "legs",
+    name: "Anomalous Starlit Breeches",
+    source: "gambit" as const,
+  },
+] as const;
+
+export const Streets = [
+  {
+    id: 185780 as ItemId,
+    slot: "1h-weapon",
+    name: "Interrogator's Flensing Blade",
+    source: "streets" as const,
+  },
+  {
+    id: 185778 as ItemId,
+    slot: "1h-weapon",
+    name: "First Fist of the So Cartel",
+    source: "streets" as const,
+  },
+  {
+    id: 185824 as ItemId,
+    slot: "1h-weapon",
+    name: "Blade of Grievous Harm",
+    source: "streets" as const,
+  },
+  {
+    id: 185809 as ItemId,
+    slot: "waist",
+    name: "Venza's Powderbelt",
+    source: "streets" as const,
+  },
+  {
+    id: 185779 as ItemId,
+    slot: "2h-weapon",
+    name: "Spire of Expurgation",
+    source: "streets" as const,
+  },
+  {
+    id: 185802 as ItemId,
+    slot: "shoulders",
+    name: "Breakbeat Shoulderguards",
+    source: "streets" as const,
+  },
+  {
+    id: 185786 as ItemId,
+    slot: "chest",
+    name: "So'azmi's Fractal Vest",
+    source: "streets" as const,
+  },
+  {
+    id: 185791 as ItemId,
+    slot: "hands",
+    name: "Knuckle-Dusting Handwraps",
+    source: "streets" as const,
+  },
+  {
+    id: 185817 as ItemId,
+    slot: "wrist",
+    name: "Bracers of Autonomous Classification",
+    source: "streets" as const,
+  },
+  {
+    id: 185843 as ItemId,
+    slot: "back",
+    name: "Duplicating Drape",
+    source: "streets" as const,
+  },
+] as const;
diff --git a/src/lib/items.ts b/src/lib/items.ts
index 03f8bba..3e2333f 100644
--- a/src/lib/items.ts
+++ b/src/lib/items.ts
@@ -1,25 +1,35 @@
 import _ from "lodash";
 import {
+  UpgradeType,
   type EquipedItem,
   type Item,
   type ItemId,
   type Quality,
   type Slot,
+  type Upgrade,
 } from "./types";
-
-export const PrioryOfTheSacredFlame = [
-  { id: 219309 as ItemId, slot: "trinket", name: "Tome of Light's Devotion" },
-  { id: 219308 as ItemId, slot: "trinket", name: "Signet of the Priory" },
-  { id: 252009 as ItemId, slot: "neck", name: "Bloodstained Memento" },
-  { id: 221200 as ItemId, slot: "finger", name: "Radiant Necromancer's Band" },
-  { id: 221125 as ItemId, slot: "head", name: "Helm of the Righteous Crusade" },
-] as const;
+import {
+  Aldani,
+  AraKara,
+  Dawnbreaker,
+  Floodgate,
+  HallsOfAtonement,
+  PrioryOfTheSacredFlame,
+  Streets,
+  Gambit,
+  ManaforgeOmega,
+} from "./drops";
 
 export const AllItems: Item[] = [
-  ...PrioryOfTheSacredFlame.map((item) => ({
-    ...item,
-    source: "priory" as const,
-  })),
+  ...PrioryOfTheSacredFlame,
+  ...Aldani,
+  ...AraKara,
+  ...Dawnbreaker,
+  ...Floodgate,
+  ...HallsOfAtonement,
+  ...Streets,
+  ...Gambit,
+  ...ManaforgeOmega,
 ];
 
 export const ItemsById: Record<string, Item> = AllItems.reduce(
@@ -33,36 +43,27 @@ export const ItemsById: Record<string, Item> = AllItems.reduce(
 export const ItemsBySlot: Record<Slot, Item[]> = _.groupBy(
   AllItems,
   (item: Item) => item.slot,
-);
+) as Record<Slot, Item[]>;
 
 export const itemsForSlot = (slot: Slot): Item[] => ItemsBySlot[slot] ?? [];
 
 function qualityToNumber(quality: Quality): number {
   switch (quality) {
-    case "champion":
+    case "explorer":
       return 1;
-    case "hero":
+    case "veteran":
       return 2;
-    case "myth":
+    case "champion":
       return 3;
+    case "hero":
+      return 4;
+    case "myth":
+      return 5;
     default:
       return 0;
   }
 }
 
-function numberToQuality(quality: number): Quality | null {
-  switch (quality) {
-    case 1:
-      return "champion";
-    case 2:
-      return "hero";
-    case 3:
-      return "myth";
-    default:
-      return null;
-  }
-}
-
 export const qualityAtLeast =
   (desiredQuality: Quality) =>
   ({ quality: actualQuality }: { quality: Quality }): boolean =>
@@ -73,9 +74,20 @@ export const qualityAtMost =
   ({ quality: actualQuality }: { quality: Quality }): boolean =>
     qualityToNumber(actualQuality) <= qualityToNumber(desiredQuality);
 
-export const getUpgrades = (
-  equipedItemIds: EquipedItem[],
-): { item: Item; quality: Quality }[] => {
+export const upgradesForItem = ({ quality }: { quality: Quality }) => {
+  switch (quality) {
+    case "myth":
+      return [];
+    case "hero":
+      return [UpgradeType.Myth];
+    case "champion":
+      return [UpgradeType.Hero, UpgradeType.Myth];
+    default:
+      return [UpgradeType.Champion, UpgradeType.Hero, UpgradeType.Myth];
+  }
+};
+
+export const getUpgrades = (equipedItemIds: EquipedItem[]): Upgrade[] => {
   return Object.entries(ItemsBySlot).flatMap(([slot, items]) => {
     const equipedItems = equipedItemIds.flatMap(({ id, quality }) => ({
       item: ItemsById[id],
@@ -84,21 +96,45 @@ export const getUpgrades = (
     const equipedInSlot = equipedItems.filter(
       (item) => item.item.slot === slot,
     );
-    return items.flatMap((item) => {
-      if (equipedInSlot.length === 0) {
-        return [{ item, quality: "champion" as Quality }];
+    const itemsForSlot = itemsPerSlot(slot as Slot);
+    const numChampion = equipedInSlot.filter(qualityAtLeast("champion")).length;
+    const numHero = equipedInSlot.filter(qualityAtLeast("hero")).length;
+    const numMyth = equipedInSlot.filter(qualityAtLeast("myth")).length;
+    const upgradeTypes = [
+      numChampion >= itemsForSlot ? [] : [UpgradeType.Champion],
+      numHero >= itemsForSlot ? [] : [UpgradeType.Hero],
+      numMyth >= itemsForSlot ? [] : [UpgradeType.Myth],
+    ].flat();
+    console.log(slot, numChampion, numHero, numMyth, upgradeTypes);
+    return items.map((item) => {
+      const equiped = equipedInSlot.find((i) => i.item.id === item.id);
+      if (equiped) {
+        const upgradesForThisItem = upgradesForItem(equiped);
+        return {
+          item,
+          upgradeTypes: upgradeTypes.filter((u) =>
+            upgradesForThisItem.includes(u),
+          ),
+        };
       }
-      // Change this to some sort of quality-plus-one logic
-      if (equipedInSlot.every(qualityAtLeast("myth"))) {
-        return [];
-      }
-      if (equipedInSlot.every(qualityAtLeast("hero"))) {
-        return [{ item, quality: "myth" as Quality }];
-      }
-      if (equipedInSlot.every(qualityAtLeast("champion"))) {
-        return [{ item, quality: "hero" as Quality }];
-      }
-      return [];
+
+      return { item, upgradeTypes };
     });
   });
 };
+
+export const hasUpgradeType =
+  (type: UpgradeType) =>
+  (upgrade: Upgrade): boolean =>
+    upgrade.upgradeTypes.includes(type);
+
+export const itemsPerSlot = (slot: Slot): number => {
+  switch (slot) {
+    case "trinket":
+    case "finger":
+    case "1h-weapon":
+      return 2;
+    default:
+      return 1;
+  }
+};
diff --git a/src/lib/state.ts b/src/lib/state.ts
index 37b6d7e..e8724ec 100644
--- a/src/lib/state.ts
+++ b/src/lib/state.ts
@@ -1,10 +1,15 @@
-import type { EquipedItem, Item, ItemId } from "./types";
+import type { EquipedItem, Item, ItemId, Quality } from "./types";
 
 export type State = {
   equipedItems: EquipedItem[];
   bisList: ItemId[];
 };
 
+export const emptyState: State = {
+  equipedItems: [],
+  bisList: [],
+};
+
 export type Action =
   | {
       action: "equipItem";
@@ -13,6 +18,11 @@ export type Action =
   | {
       action: "unequipItem";
       item: Item;
+    }
+  | {
+      action: "changeQuality";
+      itemId: ItemId;
+      quality: Quality;
     };
 
 export const reducer = (state: State, action: Action): State => {
@@ -35,6 +45,19 @@ export const reducer = (state: State, action: Action): State => {
           (item) => item.id !== action.item.id,
         ),
       };
+    case "changeQuality":
+      return {
+        ...state,
+        equipedItems: state.equipedItems.map((item) => {
+          if (item.id === action.itemId) {
+            return {
+              id: item.id,
+              quality: action.quality,
+            };
+          }
+          return item;
+        }),
+      };
   }
 };
 
diff --git a/src/lib/types.ts b/src/lib/types.ts
index ee64bae..c6b2ed6 100644
--- a/src/lib/types.ts
+++ b/src/lib/types.ts
@@ -18,11 +18,28 @@ export const Slots = [
 
 export type Slot = (typeof Slots)[number];
 
-export type Quality = "champion" | "hero" | "myth";
+export const Quality = {
+  Explorer: "explorer",
+  Veteran: "veteran",
+  Champion: "champion",
+  Hero: "hero",
+  Myth: "myth",
+};
+
+export type Quality = (typeof Quality)[keyof typeof Quality];
 
 export type ItemId = number & { __type: "ItemId" };
 
-export type Source = "priory";
+export type Source =
+  | "aldani"
+  | "ara-kara"
+  | "dawnbreaker"
+  | "floodgate"
+  | "gambit"
+  | "halls-of-atonement"
+  | "priory"
+  | "streets"
+  | "manaforge omega";
 
 export type Item = {
   id: ItemId;
@@ -35,3 +52,15 @@ export type EquipedItem = {
   id: ItemId;
   quality: Quality;
 };
+
+export const UpgradeType = {
+  ILvl: "ilvl",
+  Champion: "champion",
+  Hero: "hero",
+  Myth: "myth",
+  BiS: "bis",
+};
+
+export type UpgradeType = (typeof UpgradeType)[keyof typeof UpgradeType];
+
+export type Upgrade = { item: Item; upgradeTypes: UpgradeType[] };