Frankly speaking, dealing with the Burning Legion's fleet is really no challenge at all for Duanmu Huai.
The reason is simple.
Can the sailing warships of the Age of Discovery go head-to-head with modern missile destroyers?
Of course not. This isn't a game where archers can shoot down helicopters; that's just nonsense.
In Duanmu Huai's view, the so-called Burning Legion of this star territory is just like those early explorers of the Age of Discovery, relying on a few ships, a few guns, and a few cannons to cross the ocean, bullying those primitive natives with bows and spears. If they encounter a civilization on a similar level, they would be overturned in no time.
Not to mention the civilization level of the Tribunal far exceeds that of the Burning Legion; they are simply not on the same level.
Actually, when he heard Wei Lun describe the horrors of the Burning Legion, Duanmu Huai was always quite puzzled.