Cleon
Legend
Agreed to all that.
That looks pretty decent. I'm not sure we need the additional DC boost for the second paragraph; the empowered/maximized seems good enough.
No objection to cutting it out.
I like all this except the "virtual XPs". Too much bookkeeping for my tastes. Perhaps an additional one-use spell slot instead?
What level spell slot? It wouldn't feel right to give her a 6th level spell for giving nightmares to a 1st level Commoner.
Alternatively, Mullonga could get a +1 enhancement bonus to casting level for, say, 1 hour per HD of the victim she dream-drains.
Wouldn't that be easier to keep track off?