"The pain and PTSD is worth it!" Sprouty gave a thumbs up, as she showed off her enmity energy by coating herself with the tainting red. "It took me a while to control it to this extent, but now I'm technically immortal as long as I activate this power of mine."
There had been a well-spread saying that having a great control of {Primal Wrath} allowed oneself to be effectively immortal when they were suffering a life threatening wound.
Because their body was the closest existence to the source of their enmity energy, they could just immediately willed themselves to remain alive and get their self regeneration supernaturally overcharged without much consequences.