I am so happy with this prequel honestly.
Avan is more than a goofball, he literally was the hero.
The only problem I have is that it does make me question the powerscaling happening in the original series, being defeated early and all. I hope they'll come up with a credible explanation towards the end of the prequel as to why he was far from his prime when he fought against Hadlar for the ""first"" time (at the beginning of Dai no Daibouken).
Considering how he's wiping the floor with everyone with any weapon now, it's really hard to see how much he struggled against Hadlar, and how he can even fit as just a "support character" in the very end game... although yes, double Dragon Crest and all that is beyond human power, but Hyunckel makes his stand too, Avan should be very high up there.