Tunnel Steward vs Dark Kael

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Tunnel Steward	Dwarves	Spirit	Attack	Uncommon	-
Dark Kael	Dark Elves	Magic	Attack	Epic	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Tunnel Steward	60	6	8925	1255	903	95	15	50	30	0
Dark Kael	60	6	14205 +5280	1343 +88	1013 +110	96 +1	15	50	30	15 +15

Tunnel Steward	Vermin Killer Formula: 3.2*ATK Attacks 1 enemy. Has a 25% chance of placing a 2.5% [Poison] debuff for 2 turns. Poison 2.5%	Intensify Formula: 5.5*ATK Attacks 1 enemy. Has a 50% chance of increasing the duration of 2 random debuffs on the target by 1 turn. Cooldown: 4	-	-
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.