StS1
StS2
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Slay the Spire 2
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Fasten
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Fasten
Gain an additional
4
Block
from Defend cards.
Power
1
Fasten+
Gain an additional
6
Block
from Defend cards.
Power
1
Add to deck
Fasten
Base
+
Upgraded
Fasten+
Gain an additional
6
Block
from Defend cards.
Powers
Fasten
Merchant price
StS2
The Courier
Membership Card
Shop band
82
–
90
Gold
Base price: 75 Gold Colorless ×1.15 Shop roll: ×0.95–1.05
Mentioned in
Slay the Spire 2 update, 18 June 2026: RNG rework, Steam Workshop, Bestiary
Slay the Spire 2 patch, 21 May 2026: Infested Prism rework and enemy balance
Changed in
June 18, 2026
May 21, 2026
Slay the Spire 2 update, 18 June 2026: RNG rework, Steam Workshop, Bestiary
Slay the Spire 2 patch, 21 May 2026: Infested Prism rework and enemy balance