Devil

Devil is a medium to lower priority providing some nice buffs to Undead Guild Raid Damage.

Hero Couple (Succubus)
Upon reaching 5* grants some minor support buffs to the Succubus itself.

Acquisition
Spirit Highlands Pet Shop
 * 6-6 (1 Frag)
 * 10-15 (3 Frags)
 * 12-20 (3 Frags)
 * 19-1 (1 Frag)

Available for Gems, Guild Coins and Honor Coins.

Secret Shop

Available in Secret Shop - 5 excess fragments for 2 Devil fragments.

Skill 3 - Awakens the hidden special ability of Senior Succubus

 * Raises all unit's attack speed by 3%, critical damage by 7%.
 * When first appearing, casts madness buff that raises movement speed and attack speed of all male ally units.
 * Raises Offline March buff by 300%. Additionally Succubus units raise this even further (5* 10%, 6* 30%. Maximum 1,000%. Works from Time Shop.
 * Gold level limit of Succubus increase (Senior - 0, T1 - 10, T2 - 20, T3 - 30).
 * When included in team Succubus increases Medal buff by 50% More (T1 - 15%, T2 - 30%, T3 - 45%). These buffs are halved in the Time Shop.