Spire Codex is now on Overwolf. Get the in-game overlay with live card lookups and one-click run uploads. Learn more →Spire Codex is now on Overwolf. Get the in-game overlay with live card lookups and one-click run uploads. Learn more →◆Quest·Quest·★ Quest·U Energy
Byrdonis Egg is a Quest Quest card in Slay the Spire 2, costing -1 energy.
It carries the Unplayable keyword.
Live aggregate across community-submitted runs. Filter by bracket to see how it holds up at higher levels of play.
Most often taken by Ironclad players(1,073 picks · 25% share). Codex rates it F (underperforming) overall.
Community-submitted runs only, refreshed every 30 minutes. Pick rate is 0.3% of 1,416,903 tracked runs. How is the score calculated?
What this card makes, and what else interacts with it.
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