Cerbero

Cerbero is very high priority pet due to undead attack power increase in Outland Battle. It also enhances Tribe Friendliness Undead Buff. Pet at 5* is neccesary to reach 1000 Undead Friendliness and unlock additional artifact slot.

Hero Couple (Winged Knight)
Unknown for now.

Acquisition
Spirit Highlands
 * 13-6 (1 Frag)
 * 24-15 (3 Frags)

Pet Shop

Available (still to be confirmed)

Secret Shop

Not available.

Skill 3 - Awakens the hidden special ability of Senior Abyss Mage
unknown for now.