He comes again close to the finish, on the back of a whale, to hold off one more horde of monsters for the heroes.
In Lufia II: Rise of the Sinistrals, Dekar stays at the rear of in an exploding temple to maintain off a horde of monsters. In Lufia: Curse of the Sinistrals, Dekar makes it possible for Idura to pull him into a hellish otherworld in Tia's place.