User blog comment:Yarrghman/Ganix, the Gravity Master/@comment-10958553-20130803055502/@comment-5791947-20130803061701

To write this in pseudocode: If mana -1% then health regen -1% AND mana regen +1% If health -1% then mana regen -1% AND health regen +1%

In a practical sense, a weak version of that also regenerates health.