[Omnirizon]

I just tested it and your right. two Wyrms, one with N10, one pathless, both have 20hp regen at 160 hp.

However, in game, while creating a pretender god, when moused over 'nature' in the magic selection screen, where it outlines the indirect effects of levels in a magic path, it says verbatim "...and any regenerative powers of the mage will be boosted."

I would have thought that meant natural regen was boosted, kind of like natural fear is boosted by death.