The First Descendant Devourer Boss (Easiest Hard Boss in the Game)

This is Ultimate Gley Boss Fight Build (Unlimited Ammo Build).I focus on hp and Damage.
I know this build is not perfect But I hope Someone might be useful.
Thanks
My Creator Code : PDOTAXFD#1942
(creators.nexon...)
Music : Dxrk ダーク - RAVE (Official Audio)
( • Dxrk ダーク - RAVE (Offic... )