Byrds are weak enemies found in Act 2 that begin each battle with a flying buff. Until each Byrd is dealt attack damage three times (four times on Ascension 17+) in one turn, it will take half damage from all attacks. This combined with its Strength scaling and multi-hit attacks make the Byrd a fearsome foe for some decks.
Flying X: Takes 50% less damage on the next X attacks. Removed when attacked X times in a single turn. Charges are refilled back to X at the start of each turn if not fully removed.
Can only use Peck or Caw on the first turn with a 62.5% chance for Peck and 37.5% chance for Caw. Afterwards, has a 50% chance of using Peck, 20% chance of using Swoop, and 30% chance of using Caw. Cannot use Peck three times in a row and cannot use Caw or Swoop twice in a row.
Because Byrds have the Flying buff, they will only take half of the damage dealt until they are hit three(or four on Ascension 17+) times in a turn. Here is the sequence of events when a Byrd loses its Flying buffs:
It will get stunned instantly, interrupting its previous intent;