Abasdarhon's Castle

The battle lasted only a few moments, but it seemed like days to Hanzo. He knew that the wound inflicted by the spear was fatal, but this did not torment his soul – he firmly gripped the hilt of his trusty sword and continued to fight with renewed vigor.

/ But he regenerates faster than he dies from poison?
Turns out regeneration is a good thing.../

That's why, in some systems, poison blocks or even overrides it.

Well, technically, it should only work in combat. But since I forgot to mention that, yes, it overrides. So it will work.