The town is rebuilding in the wake of the demon's attack, which means there's just one more thing for Rein to do...
and performed the incredible feat of 
vanquishing an A-rank-equivalent demon!
وحقّقتَ إنجازاً مُبهراً وهو القضاء
!على شيطان مكافئ لرتبة أ
und darüber hinaus noch
einen Dämonen vom A-Rang besiegt hat,
e realizou a incrível façanha de derrotar
um demônio equivalente ao rank A!
и совершил настоящий подвиг,
одолев демона ранга A.