Lily explores Hogwarts, attends classes and receives a map from James that shows her everyone in Hogwarts and where they are at the time which Lily consults it.
*Author's Note: the spell 'mercantosula' is made up by me, (since i do not know much latin it is merely random syllables), and it causes rapid swelling of the victim's head, as well as causing it to turn a bluish color.