Zeref

100% boost to Atk, Def, max HP and 30% boost to critical hit rate of Dark types, hugely boosts Dark elemental damage, Spark damage boosts BB gauge & 10% damage reduction from Light, Dark types

Probable damage reduction to 1 when Book of E.N.D. is equipped, adds probable resistance against 1 KO attack & boosts Atk, Def, Rec relative to lost HP

BB

Ankhseram Black Magic Lv. 1

3 DC30

30 combo random massive Dark attack on all foes, adds probable 1 turn Atk, Def reduction effects to attack for 3 turns, probability of activating BB/SBB/UBB twice for 1 turn, probability of raising allies from KO & slightly boosts OD gauge

SBB

Ankhseram Black Magic Lv. 2

1 DC26

24 combo powerful Fire, Dark attack on all foes, 30 combo random massive Dark attack on all foes, hugely boosts Atk, Def, Rec for 3 turns, enormously boosts critical hit rate for 3 turns, probability of raising allies from KO & hugely boosts Dark elemental damage for 3 turns

UBB

Ankhseram Black Magic Lv. 3

1 DC30

28 combo massive Fire, Dark attack on all foes, enormous 3 turn Atk, Def reduction, activates BB/SBB/UBB twice for 2 turns & enormously boosts Atk, Def, Rec, critical hit rate and Dark elemental damage for 3 turns