noun
backfire (of a spell, curse, etc.)
Used in fantasy, gaming, or occult contexts when a spell or curse rebounds on the caster instead of the intended target.
呪文が逆凪を起こして、術者自身がダメージを受けた。
The spell backfired, and the caster took damage.
強力な呪いほど逆凪のリスクが高い。
The more powerful the curse, the higher the risk of backfire.