You can craft T-Virus chems from those Tyrant blood samples you collected, that should help you defeat Humbaba since it provides very significant buffs and makes you fast enough to maintain distance from him. I also recommend using a jetpack to evade his attacks.
@@totallynota2022 That'll be dope. Humbaba is probably the freakiest of the 6 named Tyrant bosses from this mod imo, very scary when he goes invisible.