攻撃時に永続で斬撃攻撃力大幅アップ（『闇葬抜刀』『闇路瞬刃』『抜刀秘術』『真剣秘術』使用で効果をリセット&2回まで重複可）
| Type | Passive |
|---|---|
| Effect Type | Buff |
| Target | Self |
| Timing | Passive |
| Flags |
|
| Slash ATK Power (Add) | 100 (50/Attack) |
|---|---|
| Check Target | Target |
| Check Timing | Eternal |
| Up Timing | AttackEnd |
| Turns | 99 |
| Flags |
|