Omegahugger
Inattentive Idiot
It is also worth noting that the Devourer likely heals no way as quickly as we do.We didn't get one last fight.
I really wouldn't call it suicide. It's far from certain to succede, but in he is not that likely to kill us in one try either and we can heal well.
It is a creature of Death with a form based on a parasitic lifeform. If we do not give it time to gain power from the suffering of living beings, we should be able to capitalise on the wounds we'e already inflicted.