However , Shunma resurrected Erina and blackmailed him into betraying Altair .
Upon arriving in the real world , he sides with Altair because she resembles his deceased daughter , Erina , and to get revenge on his creator , Shunma , for killing her .
Shunma resurrected Erina and blackmailed him into betraying Altair .
Upon arriving in the real world , he sides with Altair because she resembles his deceased daughter , Erina , and to get revenge on his creator , Shunma , for killing her .