Qi Gems & Mr. Qi Quests in Stardew Valley — How to Earn and Spend

Mr. Qi — Quick Reference
| Detail | Value |
|---|---|
| Who is Mr. Qi? | Mysterious character who tests the player; runs the Walnut Room on Ginger Island |
| Walnut Room location | Ginger Island — reached by completing the Parrot pathway with Golden Walnuts |
| Currency | Qi Gems — earned exclusively via Qi quests and challenges |
| Qi Gem shop location | Walnut Room on Ginger Island |
| How to trigger Qi quests | Enter the Walnut Room; Qi Gems quests appear via radio on the northeast wall |
| Skull Cavern quest | Reach Floor 100 in Skull Cavern for Qi Gem reward |
| Club Card | Needed to enter Qi's Club in Casino (Secret Note #10) |
| First contact | Secret Note #25 (found via a chest at the Railroad) — follow instructions to first meet Qi |
How to Unlock Mr. Qi and the Walnut Room
Mr. Qi first appears through the Secret Note system. Secret Note #25 instructs you to find a battery pack, then a rainbow shell, then place items in Qi's walnut box at the Railroad area. Following the chain eventually lets you visit Qi's Casino (in the Calico Desert). Later in the game, after unlocking Ginger Island and reaching the Walnut Room (requires unlocking the Parrot Express transport with Golden Walnuts), you gain access to Qi's main shop and quest board.
The Walnut Room is on Ginger Island's west side, behind a door that costs 100 Golden Walnuts to unlock. Inside, Mr. Qi provides quests via a small radio on the northeast wall. These quests rotate and offer Qi Gems as rewards. The Walnut Room is also where you spend Qi Gems at the exclusive shop featuring unique items unavailable elsewhere.
You need to first unlock Ginger Island (repair Willy's boat: 200 Hardwood + 5 Iridium Bars + 5 Battery Packs), then collect enough Golden Walnuts by exploring the island to unlock the Walnut Room. This makes Qi Gems a genuinely end-game currency available only to players who have progressed significantly through all content.
Ways to Earn Qi Gems
- Skull Cavern — Floor 100 Challenge: Reach Floor 100 in Skull Cavern (accessible after entering the Skull Cavern for the first time). Awards 10 Qi Gems on completion.
- Walnut Room Radio Quests: Mr. Qi posts rotating weekly challenges via the radio inside the Walnut Room. Examples include shipping 500 of a specific item, achieving Perfection criteria, or completing specific NPC friendship goals.
- Junimo Kart — Qi Gem quests may ask you to reach specific Junimo Kart milestones for gem rewards.
- Qi's Challenges (Secret Notes): Some challenge chains from the original Qi Secret Note system award Gems upon completion.
- Mr. Qi Quests that appear on your journal: These are automatically tracked and reward Qi Gems when completed. Check your journal regularly after unlocking the Walnut Room.
- Qi's Cuisine quest: Ship 100 Qi Fruit (a special crop Qi gives seeds for) in a single challenge for major Gem rewards.
Walnut Room Shop — What to Buy With Qi Gems
The Walnut Room shop has a rotating and permanent stock of exclusive items. The most valuable permanent items include: Fairy Dust (50 Qi Gems) — when used on an artisan machine, it instantly finishes processing (useful to speed up wine or cheese production), Magic Bait (5 Qi Gems each) — bait that ignores season and weather restrictions, allowing you to catch any fish in any season from any location, and Qi Seasoning (10 Qi Gems) — when used on a cooked dish, upgrades it to gold quality, increasing its healing and gift value.
Other notable shop items include the Horse Flute (50 Qi Gems, summons your horse anywhere), Pierre's Missing Stocklist (1 Qi Gem, lets you see what Pierre's shop stocks in Year 2 to plan crops), and Trash Bear's Shop Hat items and cosmetics for farm decoration. Some recipes or wallpaper patterns only available via Qi's shop complete certain decorating goals.
The most practical purchases for gameplay efficiency are Magic Bait (complete any fishing bundle requirement at any time), Fairy Dust (speed up specific artisan machines during active play), and Qi Seasoning (upgrade dishes for better gifting or personal energy restoration). The Horse Flute is a quality-of-life purchase that saves significant travel time on larger farms.
Best Qi Gem Purchases — Priority Ranking
| Item | Qi Gem Cost | Effect | Priority |
|---|---|---|---|
| Magic Bait | 5 Qi Gems each | Fish any species in any season/weather/location | High — completes fishing bundles easily |
| Fairy Dust | 50 Qi Gems each | Instantly finishes any artisan machine in progress | Medium — useful but situational |
| Qi Seasoning | 10 Qi Gems each | Upgrades any cooked dish to gold quality | Medium — useful for gifting and cooking goals |
| Horse Flute | 50 Qi Gems | Summon your horse from anywhere on the map | High — major QoL on large farms |
| Pierre's Missing Stocklist | 1 Qi Gem | See Pierre's full seed stock for Year 2 planning | Very High — cheapest useful purchase |
| Qi Fruit Seeds | Awarded by Qi's Cuisine quest | Special crop used in Qi quests, not for normal profit | Quest-specific use only |
| Decorative Items | Varies | Cosmetic wallpaper, hats, flooring patterns | Low priority for gameplay |
Verdict: Pierre's Missing Stocklist (1 Qi Gem) is the best-value first purchase. Magic Bait (5 Qi Gems each) is the most practically useful for fishing completionists. Save up for Horse Flute (50 Qi Gems) as a major quality-of-life upgrade.
Mr. Qi's Challenge Philosophy
Mr. Qi's quests are designed as high-difficulty optional challenges that reward dedicated players. They test different aspects of the game — deep dungeon exploration (Skull Cavern Floor 100), crafting mastery, farming scale, fishing skill, and NPC relationships. Unlike main-game objectives, Qi's challenges often require late-game infrastructure to complete efficiently.
The 'Qi's Cuisine' quest (ship 100 Qi Fruit — a special fall crop Qi gives seeds for) is one of the most demanding quests. Qi Fruit only grows in Fall, takes 4 days, and regrows every 3 days. Growing 100 in one Fall season requires significant farm space and efficient harvesting. The Qi Gem reward for this quest is substantial.
Completing Qi's challenges also contributes to the overall game Perfection score (reaching 100% Perfection across all activities). Players aiming for Perfection must engage with Mr. Qi's questline as part of the end-game completion checklist. This makes the Walnut Room a required destination for completionists even if the individual rewards aren't immediately needed.
Qi Gems Tips and Mistakes
- Unlock the Walnut Room early in your Ginger Island exploration — it costs 100 Golden Walnuts, which you collect organically through island activities.
- Check the Walnut Room radio weekly for new Qi quests — quests rotate and some have time limits.
- Complete Skull Cavern Floor 100 for your first 10 Qi Gems — this is the most accessible early challenge for most players.
- Buy Pierre's Missing Stocklist immediately for just 1 Qi Gem — it provides year-round crop planning information with no equivalent alternative.
- Don't hoard Qi Gems — spend them on practical items (Magic Bait, Horse Flute) rather than saving indefinitely since more can always be earned.
- Qi Fruit cannot be aged in Casks or processed in standard artisan machines for extra profit — it's purely a quest material.
Frequently asked questions
How do I unlock Mr. Qi's quests?
Unlock the Walnut Room on Ginger Island (100 Golden Walnuts door cost) and interact with the radio inside. Qi's challenges appear there. Earlier Qi content is triggered via Secret Note #25.
What is the easiest Qi Gem quest?
The Skull Cavern Floor 100 challenge awards 10 Qi Gems for reaching Floor 100. It's the most direct early Qi Gem source for players with good combat gear and bomb supplies.
Can I buy Qi Gems or only earn them?
Qi Gems cannot be purchased — they are earned only by completing Mr. Qi's specific quests and challenges. There is no gold-to-Gem exchange.
What does Magic Bait do exactly?
Magic Bait removes all fishing restrictions — you can catch any fish (regardless of season, weather, time, or location) when using it. Equip it to a Fiberglass or Iridium Rod in the Bait slot and fish anywhere for any species.
Is the Horse Flute worth 50 Qi Gems?
Yes, for large farms or players who frequently travel. The Horse Flute summons your horse from any location — no more walking back to the stable. On a large farm or when doing frequent cross-map trips, it saves significant time daily.
Sources & verification
Continue this guide path
- ›Ginger Island Guide — How to Unlock + Best Activities in Stardew ValleyGinger Island is Stardew Valley's major late-game expansion area added in version 1.5. Unlocking it requires repairing Willy's boat, and the island offers permanent farming, a volcano dungeon, and Golden Walnut treasures.
- ›Skull Cavern Guide — How to Reach Floor 100 in Stardew ValleySkull Cavern is Stardew Valley's hardest dungeon and the main source of Iridium Ore. With the right food, bombs, and luck, you can reach Floor 100 and beyond in a single day.
- ›Stardew Valley Fishing Guide — How the Minigame Works + Best SpotsFishing is one of Stardew Valley's most rewarding skills once you understand the minigame mechanics, the right rod upgrades, and where to find rare fish by season.
- ›Community Center Bundle Checklist — Stardew Valley Complete GuideThe Community Center is one of Stardew Valley's main objectives. This checklist covers every bundle, which items are seasonal or time-locked, and the fastest path to full completion.