She can pretty much stand toe to toe with a Greater Succubus, and I think the PP pool will actually let her out drain one. But to really put her over-the-top I'd say take another flaw so you can take the Kama Sutra talent. Then none can stand in her way...
A small clearing, bordered on all sides by thick, impassible trees, with assorted boulders and a small, clear meditation pond in the very center.
The calmness of the area reduces PP taken by [insert some balanced amount here].