IF that is the case it would seem this is not as powerful as the OP seems to think Ogres are. I also feel a tome that simply added to initial stamina would not be very impressive.
Non Ogre Warrior with Spirit-Harvest and Opus of Melee Discipline I, cant WW right at the start of combat.
An Ogre Warrior with Spirit-Harvest and Opus of Melee Discipline I, can WW right at the start of combat.
I don't know, I think its pretty huge.
There are also other abilities such a "NOW" and such, that the Ogre just have online, right away.
But I guess everything is relative, I find it pretty relevant to have options from time = 0, and not time = x.