Saraba Delmurin Shima! Daibouken he no Tabidachi!!

Synopsis

Having lost their master, Popp and Dai begin preparing to set out from Delmurin Island. The time to part with the monsters they lived with draws near. Meanwhile, Hadlar, who returned wounded to his stronghold, recognizes Dai as a threat and steels his resolve to strike him down with the power of the Demon King's Army granted to him by the Great Demon Lord Vearn.