Lava RockRelic
The Act 1 Boss drops Relics.
Is Lava Rock good in Slay the Spire 2?
Lava Rock is an ancient relic in Slay the Spire 2. While carried, it does the following: The Act 1 Boss drops Relics. It currently underperforms most relics, sitting at F tier in our Slay the Spire 2 relic rankings.
Across 98 recorded runs, decks carrying it win 16.5% of the time, trailing the 19.0% average by 2.5%. It’s a more situational relic, showing up in just 2.6% of runs. The class that gets the most out of it is the Silent, at a 32.0% win rate. Silent players hold onto it in 2.8% of their runs.
It combos especially well with Up My Sleeve, worth a +83.5% win-rate swing together. Another strong card to run with it is Abrasive, worth +83.5% to its win rate. On average it’s acquired around floor 1 of a run. Its ancient rarity shapes how frequently you’ll run into it.
It has 13 run wins against 66 losses in our tracked data. When runs carrying it end, the most frequent culprit is Knowledge Demon Boss, which closes out 7.1% of them. Read on for Lava Rock’s complete card, class, and threat breakdown before you decide to pick it up.
Lava Rock Win Rate & Pick Rate
Lava Rock’s 16.5% win rate trails the 19.0% all-run average by 2.5%, the gap charted below.
Run Outcomes with Lava Rock
Lava Rock has 13 wins and 85 losses over 98 tracked runs (13.3% won); abandoned runs count as losses.
- Wins 13.3%
- Losses 86.7%
Best Cards with Lava Rock
Ranked by win-rate lift, the best cards to run with Lava Rock are Up My Sleeve (+83.5%), Abrasive (+83.5%), and Fan of Knives (+83.5%).
Up My Sleeve4 runs
Abrasive3 runs
Fan of Knives3 runs
Infinite Blades4 runs
Accuracy7 runs
Follow Through3 runsBased on small co-occurring samples — treat these as early signals, not final verdicts.
Lava Rock Win Rate by Class
Lava Rock shows up across 5 classes, led by Silent (32.0%), Regent (12.5%), and Necrobinder (10.5%) by win rate.
Lava Rock Details
Lava Rock is an ancient relic carried in 2.6% of runs and usually picked up around floor 1.
The Act 1 Boss drops Relics.
What Ends Runs with Lava Rock
Lava Rock’s most common run-enders are Knowledge Demon Boss (7.1%), Lagavulin Matriarch Boss (5.1%), and Queen Boss (4.1%).
- Knowledge Demon Boss7.1% of runs
- Lagavulin Matriarch Boss5.1% of runs
- Queen Boss4.1% of runs
- Ceremonial Beast Boss4.1% of runs
- Test Subject Boss4.1% of runs
Get the Winning Edge
Real-time overlays, automatic match tracking, and exclusive tools — everything you need to climb, free on your PC.
- In-game overlays
- Automatic match tracking
- Desktop-exclusive tools
Help us maintain accuracy! If you notice incorrect stats, missing data, or any issues, your feedback directly improves the quality of our data for the entire community.
Lava Rock – Frequently Asked Questions
Is Lava Rock good in Slay the Spire 2?
Across 98 tracked runs carrying it, Lava Rock wins 16.5% of the time — +2.5% below the average run. Win rate reflects how often runs with the relic end in victory.
What does Lava Rock do in Slay the Spire 2?
The Act 1 Boss drops Relics.
How rare is Lava Rock in Slay the Spire 2?
Lava Rock is an Ancient relic, picked up in 2.6% of tracked runs.
What is the best card to use with Lava Rock?
In tracked runs, Lava Rock has performed best alongside Up My Sleeve, which lifts its win rate by +83.5% over 4 runs together.
Which class is Lava Rock best in?
Lava Rock has its highest win rate with The Silent (32.0%).
See Also
Compare Lava Rock with the rest of the best Slay the Spire 2 relics, cards, and classes below.