Fusion unlocks after about 50 PIT wins. Combine two chickens of the same rarity at max level for a mutated chicken with new ability, boosted stats, and locked traits. Rebirth resets chicken levels and cash in exchange for a permanent 10% multiplier per cycle. Optimal timing is Tower Floor 25 or higher.
Two same-rarity max-level chickens combine into a Mutant. Default 2 lock slots, up to 8 via gamepass.
Resets chicken levels and cash, grants permanent multiplier. Egg multiplier persists, which is why it is the key long-term investment.
Common fusion result. Unlocks Basic Attack Boost.
Uncommon fusion result. Unlocks Speed Increase.
Rare fusion result. Unlocks Critical Hit Chance.
Epic fusion result. Unlocks AoE Damage, which is strong in Tower clears.
Legendary fusion result. Unlocks a full special ability tier.
Lock specific trait fields (Damage, Health, Speed, Crit, Egg-Lay, Ability, Visual, Misc) so they do not roll over from the donor.
Keep entries useful by separating source-backed facts, player-tested strategy, and update timing.
Keep rarity, obtain method, abilities, and summary tied to official posts or repeatable in-game testing.
Link fusion & rebirth entries to matching builds, boss routes, and guide sections.
Keep tier values and obtain methods current after each game update.