Jing Shu knew that in her previous life, many dangers arose during the migration, though the military had mostly dealt with them. Standing in a different position this life, Jing Shu also had to solve some problems. Otherwise, her role as a manager would become very troublesome, and ultimately, her personal wealth would suffer.
Among the openly known and terrifying dangers were the Hulks. These creatures would eat anything, feared nothing, and were especially fond of eating humans. Bullets couldn't kill them. Chemical corrosion was somewhat effective, but the Hulks would simply disperse, discard their burned parts, and it was over. Even bombs, particularly the physical, shrapnel-based types, were largely useless; after a short while, they would reassemble from blobs of slime.
They were a swarm of indestructible pests.
The only thing that was somewhat effective was...
