23 traits overview
Rare ~50%, Epic ~30%, Legendary ~9%, Mythic ~4%, Secret ~0.1% cumulative bucket rates.
Tier list
SS: Immortal / Ascendant / Overseer. S: Rupture / Stride / Decay. A: Ace / Head Hunter / Fury III / Haste III.
Reroll rules
Use Trait Rerolls only on units you field. Protect your active trait; Immortal 0.1% goes on a proven carry.
Immortal mechanics
Placement Limit 1; on 0 base stocks after Wave 10 (once per match): restore base power, instantly kill nearby non-boss enemies, knock back and slow others.
Video References