Dark Kael vs Lady Eresh

Overall comparison

HERO	Fraction	Element	Type	Rarity
Dark Kael	Dark Elves	Magic	Attack	Epic
Lady Eresh	Knight Revenant	Force	Attack	Epic

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Dark Kael	60	6	14205	1343	1013	96	15	50	30	15
Lady Eresh	60	6	15030 +825	1365 +22	936 -77	96	15	60 +10	30	0 -15

Skills comparison

Dark Kael	Weaver of Woes Formula: 1.35*ATK Attacks 1 enemy 3 times. Each hit has a 25% chance to instantly activate one tick of 2 [Poison] debuffs or 1 [Poison] debuff and 1 [HP Burn] debuffs.	Binding Darkness Formula: 4*ATK Attacks all enemies. Has a 75% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Each critical hit also has a 75% chance of increasing the duration of all debuffs on the target by 1 turn. Cooldown: 4 Decrease ATK 50%	Reality Acid Has a 75% chance of placing three 5% [Poison] debuffs and a 25% [Poison Sensitivity] debuff on the target for 2 turns. Cooldown: 4 Poison Sensitivity Poison 5%	Delerium [P] Formula: -0.15 Decreases the C. RATE of enemies under 2 or more [Poison] debuffs by 15%. If there are multiple Champions on the team with this skill, only one will activate. This skill will not activate on duplicate copies of this Champion, if this particular Champion is dead.
Lady Eresh	Meticulous Adversary Formula: 1.8*ATK Attacks 1 enemy 2 times. Each hit has a 25% chance of placing a 25% [Weaken] debuff for 2 turns. Weaken 25%	Blur of Knives Formula: 3.8ATK Formula: 0.1MAX_STAMINA*aliveEnemiesCount Attacks all enemies. Has a 20% chance of granting an Extra Turn. If an Extra Turn is not granted, fills this Champion’s Turn Meter by 10% for each living enemy instead. Cooldown: 4	Deathrite Evocation Places a 50% [Increase ATK] buff and a 30% [Increase C. DMG] buff on this Champion for 3 turns, then grants an Extra Turn. Cooldown: 5 Increase ATK 50% Increase C. DMG	Slip Between [P] Places a [Perfect Veil] buff on this Champion for 2 turns whenever their HP drops below 50%. Cooldown: 5 Perfect Veil