SaiRelic
At the start of your turn, gain Block.
Is Sai good in Slay the Spire 2?
In Slay the Spire 2, Sai is an ancient relic you can pick up on your climb. Its effect: At the start of your turn, gain Block. Right now it’s a high-value grab, sitting at S tier — one of the relics most worth taking.
Over 1 tracked runs the win rate of decks holding it sits at 100.0%, 87.4% ahead of the 12.6% all-run baseline. It sees lighter play, carried in only 0.2% of runs. It does its best work in the hands of the Defect, who post a 100.0% win rate with it. Within Defect runs specifically, it’s carried 3.6% of the time.
It typically enters the deck near floor 34. As an ancient relic, how often it’s offered depends on its rarity tier.
Of the runs that carried it, 1 ended in victory while 0 fell to a defeat. See the best cards, class split, and threats below for the full read on whether Sai is worth grabbing.
Sai Win Rate & Pick Rate
At a 100.0% win rate, Sai runs 87.4% ahead of the 12.6% all-run baseline — the bars below put the two side by side.
Run Outcomes with Sai
Across the 1 runs that carried Sai, 1 ended in a win and 0 in a loss — a 100.0% win share, counting abandons as losses.
- Wins 100.0%
- Losses 0.0%
Sai Win Rate by Class
Sai’s class data comes mostly from the Defect, at a 100.0% win rate over 1 runs.
The Defectappears in 3.6% of its runs (1 tracked)Sai Details
Carried in 0.2% of runs, Sai is an ancient relic typically acquired near floor 34.
At the start of your turn, gain Block.
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Sai – Frequently Asked Questions
Is Sai good in Slay the Spire 2?
Across 1 tracked runs carrying it, Sai wins 100.0% of the time — +87.4% above the average run. Win rate reflects how often runs with the relic end in victory.
What does Sai do in Slay the Spire 2?
At the start of your turn, gain Block.
How rare is Sai in Slay the Spire 2?
Sai is an Ancient relic, picked up in 0.2% of tracked runs.
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.