Runic Knowledge

Runemaster

While you have a Magic or Rune weapon equipped, each of your attacks gains:

Surge: Suffer 1 Fatigue to gain +2 Hearts

When my hero has already suffered an amount of fatigue equal to his Stamina, can he use the surge ability of Rune Knowledge by suffering damage equal to the excess fatigue that would have been suffered?

No, can't spend fatigue where it would cause wounds, but OL and monsters can make you take wounds by hitting you with fatigue when you're at full.

"When using skills or moving, a hero may only suffer fatigue up to an amount equal