>>77012087He's more adept at destruction than conquest.
He just clawed and killed his way into becoming an Invader (rather than say, aim for a high basic military position) because it's the next best thing to being a Tallest; a position that forces an Irken to act as a spy and saboteur, one that requires subtlety and restraint.
Too callow and rash for that, he mostly contents himself with visceral, half-baked schemes and picking on Dib.
