The problem with the space demons' armies was their natural adaptability in the vacuum of space as this was their environment.
This allowed them to use their claws and sharp teeth to break apart the hard alloys, which caused a sudden release of air and pressure imbalance within the spaceship!
This was catastrophic as everyone near the breach ended up getting sucked outside of the spaceship and into the vacuum of space, making them get frozen almost immediately.
Crack!! Crack!!
Just like they were having a feast, the demonized monsters kept feeding on those thrown-out crewmen and soldiers...Obviously, they prioritized eating their purities, which made them even more agitated for more!
"Close down the breaches!!" A warship general shouted inside his cockpit.
"We can't the monsters have gotten inside the locked-down area!"