The Slayers NEXT Season 1 Episode 20 Trouble Again! The Merman Turns Back!

Reciting numerous incantations for self-defense, Lina and her friends put up with Rezo's fierce attack. But Rezo's powerful black magic destroys half of the town. Yet, our heroes manages to flee. They have to find a way to destroy Rezo. They head for the institute where Rezo used to experiment his magic. Rezo, still not in a perfect shape, need rest. He sends Rafanim, a monster of half-human and half-fish to stop our heroes. Lina and her friends battle with Rahanim accompanied by Zangles. Lina chops Rafanim in half and our heroes get out of a pinch. They finally reach the Rezo's institute.