Booming ConchRelic
At the start of Elite combats, draw additional cards.
Is Booming Conch good in Slay the Spire 2?
In Slay the Spire 2, Booming Conch is an ancient relic you can pick up on your climb. Its effect: At the start of Elite combats, draw additional cards. The data marks it as a weaker relic, settling at F tier — rarely a run-defining grab.
Over 91 tracked runs the win rate of decks holding it sits at 13.6%, 5.3% short of the 18.9% all-run baseline. It sees lighter play, carried in only 2.4% of runs. It does its best work in the hands of the Regent, who post a 25.0% win rate with it. Within Regent runs specifically, it’s carried 2.2% of the time.
Its standout card pairing is Squash, which lifts the relic’s win rate by +53.0% when both are in play. It also works nicely with Outbreak, good for a +53.0% win-rate change. It typically enters the deck near floor 1. As an ancient relic, how often it’s offered depends on its rarity tier.
Of the runs that carried it, 9 ended in victory while 57 fell to a defeat. Its most common run-ender is Decimillipede Elite, finishing 7.7% of the runs it appears in. See the best cards, class split, and threats below for the full read on whether Booming Conch is worth grabbing.
Booming Conch Win Rate & Pick Rate
At a 13.6% win rate, Booming Conch runs 5.3% behind the 18.9% all-run baseline — the bars below put the two side by side.
Run Outcomes with Booming Conch
Across the 91 runs that carried Booming Conch, 9 ended in a win and 82 in a loss — a 9.9% win share, counting abandons as losses.
- Wins 9.9%
- Losses 90.1%
Best Cards with Booming Conch
The cards that gain the most from carrying Booming Conch are Squash (+53.0%), Outbreak (+53.0%), and Ultimate Strike (+46.4%), each shown with its win-rate swing.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Booming Conch Details
Carried in 2.4% of runs, Booming Conch is an ancient relic typically acquired near floor 1.
At the start of Elite combats, draw additional cards.
What Ends Runs with Booming Conch
Runs carrying Booming Conch end most often against Decimillipede Elite (7.7%), Knowledge Demon Boss (4.4%), and The Insatiable Boss (4.4%) — the share of its runs each accounts for is shown.
- Decimillipede Elite7.7% of runs
- Knowledge Demon Boss4.4% of runs
- The Insatiable Boss4.4% of runs
- Waterfall Giant Boss3.3% of runs
- Infested Prisms Elite3.3% 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.
Booming Conch – Frequently Asked Questions
Is Booming Conch good in Slay the Spire 2?
Across 91 tracked runs carrying it, Booming Conch wins 13.6% of the time — +5.3% below the average run. Win rate reflects how often runs with the relic end in victory.
What does Booming Conch do in Slay the Spire 2?
At the start of Elite combats, draw additional cards.
How rare is Booming Conch in Slay the Spire 2?
Booming Conch is an Ancient relic, picked up in 2.4% of tracked runs.
What is the best card to use with Booming Conch?
In tracked runs, Booming Conch has performed best alongside Squash, which lifts its win rate by +53.0% over 3 runs together.
Which class is Booming Conch best in?
Booming Conch has its highest win rate with The Regent (25.0%).
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.