Only guardians of 4-star and 5-star rarity, obtained through the Guardian Grab, and the Banshee distributed as the pre-registration bonus can equip gears.

All other guardians cannot equip gears.
- Guardians of 3-star rarity or lower
- Guardians obtained or created through the Mini Grab
- Boss Brawl guardians
- Guardians obtained through the main quest