Heavy Chain

Chain Magic: Heavy Chain (鎖魔法『ヘビーチェイン』) is a Chain Magic spell.

Description
With an open grimoire, the user creates a chain with a large spherical weight. The weight is dense and heavy enough to smash through rocks.

Trivia

 * This spell is unnamed in the manga.
 * In the anime, the chain is longer and thinner and the weight is considerably larger and not reliant on the user's movements.