Black — Clover (tv) (dub) Episode 17

Arrives to neutralize Mars' magic with his anti-magic sword.

: As the Golden Dawn faces decimation, Asta arrives to confront Mars. His unique ability to negate magic with his anti-magic sword becomes the primary hope for defeating a foe that even Yuno’s wind magic couldn't "dent". Black Clover (TV) (Dub) Episode 17

Observations regarding the Diamond Kingdom's experimentation on mages. Provides support and demonstrates increased combat resolve. Episode 17 | Black Clover Indonesia Wikia | Fandom Arrives to neutralize Mars' magic with his anti-magic sword