Elvacil the Empress


 * 1) Elvacil the Empress is a boss.
 * 2) She is a 5-star ally too.
 * 3) In boss battle, she is on a giant panther.
 * 4) She is an easy boss, and you can block (perfectly) her attacks.
 * 5) Elvacil has a weak point: her weapon attack. If you block it the panther will be stunned.