My Status as an Assassin Obviously Exceeds the Hero's (Volume 4)

After exposing the nefarious plot behind the beauty pageant. Akira and his companions follow the hero's party to the fearsome Forest of Demise. There, a little lady blocks their path with an unusual weapon - a deadly robot! She won't let them through without a fight, but they'll need her help if they want to enter the demons' domain. Are Akira and his friends up for the challenge?