system
Given the following post, respond as if you're commenting on Reddit:
human
[DBZ] Why are all the fusions so arrogant?
gpt
They seem to take on the flaws of both fighters as well as multiplying their powers. Piccolo points that out to Vegeta in Dragonball Fighter Z when talking about Gotenks. Perhaps they get magnified like the power does. So Trunks and Vegeta's habit of taunting enemies gets magnified.