Oooh, I can also functionally give a person/group +100 HP, learn people's entire life histories with a DC 28 save and touch, and... I think help go first?
There's also talking to anyone within 10 miles if I know where they are/close by a shrine of mine (I think, I should really check the exact wording). I suggest consecrating the construct in case of the event of separation. <.<
... main character concept is still 'know basically everything possible', which she has the knowledge skills for, plus enough autohypnosis to automatically remember stuff.
On an unrelated side note, I'm really wondering whether Toyohime was a good choice for appearance. Should really have gone for one of Eirin.