yo dude go and ask that guy to give you the updated manual while you’re still covered by buyers protection 
he gave you the boomer one from 2 decades 
ago ppl did oneshot others fresh outta barrens running around with 2,5 k hp
meanwhile in SoD chimera shot ~2,5k dmg -that’s obv being modest about it
on ret alone doing 4k-6k dmg just touching the target, don’t believe me? take a look here
and maybe you’ll like this
h ttps://www.youtube.com/shorts/Qv21RgPgKpA
or this one
h ttps://www.youtube.com/shorts/_W9LVs39SWE