Official Slay the Spire 2 gameplay scene

Byrdonis Nest

Act 1 - Overgrowth
Type
Event
Availability
Cannot have an event pet

Availability

Cannot have an event pet

Choices

ChoiceCost or outcome
Eat the EggGain 7 Max HP.
Take the EggAdd Byrdonis Egg to your Deck.
Byrdonis Egg

The egg needs a campfire action

Byrdonis Nest’s stable choices, no Miniature Tent and no extra campfire actions. Byrd Swoop damage shown without modifiers.

  1. 1Take the eggByrdonis EggForgo 7 Max HPEating gives the Max HP immediately. Taking adds the unplayable Quest card instead.
  2. 2Reach a rest siteChoose HatchUntil this visit, the egg can replace a useful card in a drawn hand. Hatch uses the ordinary campfire action.
  3. 3After hatchingByrd Swoop0 Energy / 14 damageByrd Swoop is now available. Its separate upgrade raises damage to 18.
A fire before an elite can supply Swoop for the fight. A fire after the elite cannot solve that earlier fight.
Sources

Last updated 2026-11-02.