Sea GlassRelic
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Is Sea Glass good in Slay the Spire 2?
Sea Glass is an ancient relic in Slay the Spire 2. While carried, it does the following: See cards from |another character}. Choose any number of them to add to your Deck. It currently underperforms most relics, sitting at D tier in our Slay the Spire 2 relic rankings.
Across 16 recorded runs, decks carrying it win 35.7% of the time, comfortably clear of the 18.9% average, by 16.8%. It’s a more situational relic, showing up in just 0.4% of runs. The class that gets the most out of it is the Regent, at a 66.7% win rate. Regent players hold onto it in 0.6% of their runs.
It combos especially well with Defend, worth a +31.0% win-rate swing together. Another strong card to run with it is Venerate, worth +31.0% 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 5 run wins against 9 losses in our tracked data. When runs carrying it end, the most frequent culprit is Decimillipede Elite, which closes out 12.5% of them. Read on for Sea Glass’s complete card, class, and threat breakdown before you decide to pick it up.
Sea Glass Win Rate & Pick Rate
Sea Glass’s 35.7% win rate clears the 18.9% all-run average by 16.8%, the gap charted below.
Run Outcomes with Sea Glass
Sea Glass has 5 wins and 11 losses over 16 tracked runs (31.3% won); abandoned runs count as losses.
- Wins 31.3%
- Losses 68.8%
Best Cards with Sea Glass
Ranked by win-rate lift, the best cards to run with Sea Glass are Defend (+31.0%), Venerate (+31.0%), and Grave Warden (+31.0%).
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Sea Glass Details
Sea Glass is an ancient relic carried in 0.4% of runs and usually picked up around floor 18.
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What Ends Runs with Sea Glass
Sea Glass’s most common run-enders are Decimillipede Elite (12.5%).
- Decimillipede Elite12.5% of runs
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Sea Glass – Frequently Asked Questions
Is Sea Glass good in Slay the Spire 2?
Across 16 tracked runs carrying it, Sea Glass wins 35.7% of the time — +16.8% above the average run. Win rate reflects how often runs with the relic end in victory.
What does Sea Glass do in Slay the Spire 2?
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How rare is Sea Glass in Slay the Spire 2?
Sea Glass is an Ancient relic, picked up in 0.4% of tracked runs.
What is the best card to use with Sea Glass?
In tracked runs, Sea Glass has performed best alongside Defend, which lifts its win rate by +31.0% over 4 runs together.
Which class is Sea Glass best in?
Sea Glass has its highest win rate with The Regent (66.7%).
See Also
Compare Sea Glass with the rest of the best Slay the Spire 2 relics, cards, and classes below.