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Database
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Slay the Spire 2
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Cards
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Sacrifice
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Sacrifice
Retain
.
If
Osty
is alive, he dies and you gain
Block
equal to double his Max HP.
Skill
1
Sacrifice+
Retain
.
If
Osty
is alive, he dies and you gain
Block
equal to double his Max HP.
Skill
0
Add to deck
Retain
Retained cards are not discarded at the end of turn.
Sacrifice
The Necrobinder
Base
+
Upgraded
Sacrifice+
Cost
0
Obtained
card rewards
The Necrobinder
unlocked by
The Giant
Merchant price
StS2
The Courier
Membership Card
On sale
Shop band
142
–
158
Gold
Base price: 150 Gold Shop roll: ×0.95–1.05
Mentioned in
Necrobinder guide: Osty, Summon, Souls and Doom in Slay the Spire 2
Slay the Spire 2 update, 18 June 2026: RNG rework, Steam Workshop, Bestiary
Slay the Spire 2 patch, 4 June 2026: Aeonglass and Juggernaut changes
Changed in
June 18, 2026
June 4, 2026
The NecrobinderThe NecrobinderThe Necrobinder
Necrobinder guide: Osty, Summon, Souls and Doom in Slay the Spire 2
Slay the Spire 2 update, 18 June 2026: RNG rework, Steam Workshop, Bestiary
Slay the Spire 2 patch, 4 June 2026: Aeonglass and Juggernaut changes