Vizier Ovelis vs Keberon the Underflame

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Vizier Ovelis	Dark Elves	Force	Attack	Legendary	Attack 34% Place: Dungeons
Keberon the Underflame	Argonites	Force	Attack	Legendary	Attack 28% Place: All battles

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Vizier Ovelis	60	6	16350	1476	1013	101	15	63	40	0
Keberon the Underflame	60	6	15030 -1320	1454 -22	1123 +110	99 -2	15	63	30 -10	10 +10

Skills comparison

Vizier Ovelis	Accursed Blades Formula: 1.3*ATK Attacks 1 enemy 3 times. Each hit has a 35% chance of increasing the duration of all debuffs by 1 turn.	Master of Misery Formula: 2.7*ATK Attacks 1 enemy 2 times. Each hit has a 50% chance of placing a [Block Buffs] debuff, a 50% [Decrease ATK] debuff, and a 100% [Heal Reduction] debuff for 2 turns. Cooldown: 4 Block Buffs Heal Reduction 100% Decrease ATK 50%	Vizier of Poisons Formula: 6.6*ATK Attacks 1 enemy. Applies a [Debuff Spread] effect, taking 2 random debuffs from the target and placing them on all enemies. Places a [Perfect Veil] buff on this Champion for 3 turns if the target is under 2 or more debuffs. Cooldown: 5 Perfect Veil	Unseen Assassin [P] Places a [Perfect Veil] buff on this Champion for 2 turns at the start of each Round. Perfect Veil
Keberon the Underflame	Fiery Rend Formula: 1.8*ATK Attacks 1 enemy 2 times. Has a 75% chance of placing a 60% [Decrease DEF] debuff for 2 turns. Has a 50% chance of attacking with this skill whenever an enemy has a [HP Burn] debuff activated on them. Occurs once per turn. Decrease DEF 60%	Searing Brand Formula: 2.8ATK Formula: 0.5MAX_STAMINA Attacks 1 enemy 2 times. Before attacking, places a [Deathbrand] debuff on the target for 2 turns. Will ignore [Unkillable] and [Shield] buffs, as well as 25% of the target’s DEF. Activates this Champion’s Pyrenei Power skill if the target is killed. If the target survives, fills this Champion’s Turn Meter by 50% instead. Cooldown: 4 Deathbrand	Pyrenei Power Formula: 4.5ATK Formula: 0.2MAX_STAMINA Formula: 0.1*MAX_STAMINA Attacks all enemies. Before attacking, places a 50% [Increase ACC] buff on all allies for 2 turns. Has a 75% chance of placing a [HP Burn] debuff on all enemies for 2 turns. Fills this Champion’s Turn Meter by 20% for each [HP Burn] debuff placed on enemies, and fills this Champion's Turn Meter by 10% for each [HP Burn] debuff resisted by enemies. Cooldown: 4 Increase ACC HP Burn	Underflame's Protection [P] Formula: 0.2*HP [Active Effect] Activates a [Delay] effect on this Champion whenever they receive a fatal hit. [Passive Effect] Heals this Champion by 20% of their MAX HP whenever a [HP Burn] debuff is activated on an enemy. Whenever a [HP Burn] debuff on an enemy expires or is removed, places a [True Fear] debuff on that enemy for 1 turn. Cooldown: 4 True Fear