|Primary caster||Fate Testarossa|
|Japanese name||サイズスラッシュ |
|First app.||Nanoha (ep.5)|
The nature of this spell is to strengthen the energy blade of Bardiche, and to grant it barrier-piercing ability. The strengthened blade is sharp enough to cut through steel.
- Fate attacks Nanoha Takamachi with Scythe Slash in Nanoha (ep.5) and Nanoha (ep.11).
- In The MOVIE 1st, Scythe Slash is cast on the Jewel Seed cat monster which is escaping from Nanoha's Sealing.