Yummy CookieRelic
Upon pickup, Upgrade cards.
Is Yummy Cookie good in Slay the Spire 2?
Yummy Cookie is an ancient relic in Slay the Spire 2. While carried, it does the following: Upon pickup, Upgrade cards. It currently underperforms most relics, sitting at D tier in our Slay the Spire 2 relic rankings.
Across 142 recorded runs, decks carrying it win 30.2% of the time, comfortably clear of the 19.0% average, by 11.3%. It’s a more situational relic, showing up in just 3.8% of runs. The class that gets the most out of it is the Ironclad, at a 38.5% win rate. Ironclad players hold onto it in 3.7% of their runs.
It combos especially well with Mangle, worth a +69.8% win-rate swing together. Another strong card to run with it is Fasten, worth +69.8% to its win rate. On average it’s acquired around floor 18 of a run. Its ancient rarity shapes how frequently you’ll run into it.
It has 39 run wins against 90 losses in our tracked data. When runs carrying it end, the most frequent culprit is Kaiser Crab Boss, which closes out 5.6% of them. Read on for Yummy Cookie’s complete card, class, and threat breakdown before you decide to pick it up.
Yummy Cookie Win Rate & Pick Rate
Yummy Cookie’s 30.2% win rate clears the 19.0% all-run average by 11.3%, the gap charted below.
Run Outcomes with Yummy Cookie
Yummy Cookie has 39 wins and 103 losses over 142 tracked runs (27.5% won); abandoned runs count as losses.
- Wins 27.5%
- Losses 72.5%
Best Cards with Yummy Cookie
Ranked by win-rate lift, the best cards to run with Yummy Cookie are Mangle (+69.8%), Fasten (+69.8%), and Machine Learning (+69.8%).
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Yummy Cookie Details
Yummy Cookie is an ancient relic carried in 3.8% of runs and usually picked up around floor 18.
Upon pickup, Upgrade cards.
What Ends Runs with Yummy Cookie
Yummy Cookie’s most common run-enders are Kaiser Crab Boss (5.6%), The Insatiable Boss (5.6%), and Queen Boss (5.6%).
- Kaiser Crab Boss5.6% of runs
- The Insatiable Boss5.6% of runs
- Queen Boss5.6% of runs
- Knowledge Demon Boss5.6% of runs
- The Obscura Normal4.2% of runs
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Yummy Cookie – Frequently Asked Questions
Is Yummy Cookie good in Slay the Spire 2?
Across 142 tracked runs carrying it, Yummy Cookie wins 30.2% of the time — +11.3% above the average run. Win rate reflects how often runs with the relic end in victory.
What does Yummy Cookie do in Slay the Spire 2?
Upon pickup, Upgrade cards.
How rare is Yummy Cookie in Slay the Spire 2?
Yummy Cookie is an Ancient relic, picked up in 3.8% of tracked runs.
What is the best card to use with Yummy Cookie?
In tracked runs, Yummy Cookie has performed best alongside Mangle, which lifts its win rate by +69.8% over 5 runs together.
Which class is Yummy Cookie best in?
Yummy Cookie has its highest win rate with The Ironclad (38.5%).
See Also
Compare Yummy Cookie with the rest of the best Slay the Spire 2 relics, cards, and classes below.