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Database
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Slay the Spire 2
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Cards
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Byrdonis Egg
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Byrdonis Egg
Unplayable
.
Can be hatched at a
Rest Site
.
Quest
Add to deck
Unplayable
Unplayable cards cannot be played.
Byrdonis Egg
Obtained
granted by
Byrdonis Nest
offered by
Byrdonis Nest
Mentioned in
Byrdonis Egg in Slay the Spire 2: what hatches, and when
Slay the Spire 2 patch, 4 June 2026: Aeonglass and Juggernaut changes
Changed in
June 4, 2026
Bug fix