When the HP of a Pokemon with Defeatist falls below 50%, its Attack and Special Attack stats are halved.
| Generation V | Lowers stats when HP becomes half or less. |
|---|
| # | Name | 2nd ability | Hidden ability |
|---|---|---|---|
| 566 | Archen | — | — |
| 567 | Archeops | — | — |
No Pokemon have Defeatist as a hidden ability in Pokemon Black & White.