Well, since we're all superhumans, those explosive stats are pretty wild. You take me down, I take you down, and if you're not careful, someone might sneak up and flip your plan.
Plus, it's unclear if it's technology, magic, or superpowers they're using, but these two can move freely in space and warp around as they please. They occasionally exchange blasts, turning nearby space station robots into dust. Although Li Pan can use the Escape Skill, it obviously consumes a lot more, so a prolonged battle with them in space is definitely unfavorable.
Other than that, there's not much else to it.
That Sergeant Armstrong, despite having a strong body and being severed by a lightsaber multiple times only to heal instantly, seems to have endless stamina, but his attack pattern is pretty simple—punches, kicks, releasing blasts or whatever. Yet, these simple moves are actually enough to tear apart warships. You can tell it's no-fuss practical battlefield martial arts.