Vizier Ovelis vs Archmage Hellmut

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Vizier Ovelis	Dark Elves	Force	Attack	Legendary	Attack 34% Place: Dungeons
Archmage Hellmut	Banner Lords	Magic	Support	Epic	Speed 17% Place: Arena

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
Archmage Hellmut	60	6	18825 +2475	925 -551	1123 +110	108 +7	15	50 -13	30 -10	0

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
Archmage Hellmut	Arcane Dynamo Formula: 4.8ATK Formula: 0.1MAX_STAMINA Formula: 0.2*MAX_STAMINA Attacks 1 enemy. Fills this Champion's Turn Meter by 10%. Fills the Turn Meter by 20% if this attack is critical.	Timeslip Formula: 6ATK Formula: 3.5ATK Formula: 0.2*MAX_STAMINA Attacks 1 enemy. Also attacks all other enemies if the first attack is critical. The second hit has a 50% chance of placing a [Stun] debuff for 1 turn. After attacking, decreases the Turn Meters of each enemy without a [Stun] debuff by 20%. Cooldown: 4 Stun	Psychic Guidance Places a 30% [Increase SPD] buff, a 30% [Increase C. RATE] buff, and a 30% [Increase C. DMG] buff on all allies for 2 turns. Cooldown: 5 Increase C. DMG Increase SPD 30% Increase C. RATE 30%	Chrono Isolation [P] Immune to Turn Meter reduction effects from enemies.