Even if the opponent seems to have lost fighting power completely, it can be camouflage, and the opponent may return the attack by taking advantage of one's being off guard.
たとえ相手が完全に戦闘力を失ったかのように見えてもそれは擬態である可能性もあり、油断した隙を突いて反撃が来ることが有り得る。