Onion Knight is a name shared by multiple cards.
- Onion Knight (1) is a Wind-Attribute card that can un-Dull Backups.
- Onion Knight (2) is a Thunder-Attribute card that can deal additional damage to a damaged Forward.
- Onion Knight (3) is a Shine-Attribute card that can be switched out for other Onion Knights cheaply.
See also: Onion Fencer