[Eleutheria]

To answer your 182 question:

Spoiler:

-She's training him in the way of the sword. That big sword in the rock is allegedly a legendary weapon against evil that nobody's been able to pull out.

-Hayate specifically says he forgot to say bye to his brother, but when asked by Athena as to his course of action, if this was a castle one could never leave, Hayate says he'd much rather stay.

-Athena tells him the way out (right through the magical forest basically) and tells him to return straight away. He promises.