A scroll inscribed with strange symbols that seal away the puissance of a chocobo named Sakura. Chanting the enigmatic script summons her alter ego to the bearer's side.
Does nothing but give indi-regen (up to 6HP/tic @99 iirc).
BUT, she also comes with a +skill gain rate of... some value.
Not really sure how to test that, but it seems to be rather VERY potent.