Grey Bomb (Japanese: 爆術法グレイ・ボム Romaji: gurei bomu) is an offensive earth shamanistic spell[1].

The spell makes the ground explode underneath the target. Natural, open ground is required for the spell to function, but in return, the caster can control the amount of damage dealt very precisely, making the spell as lethal as the caster wishes it to be.


  1. Encyclopedia Slayers, pag. 223

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