Thenasil vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Thenasil	High Elves	Force	Support	Epic	Resist 70 Place: Dungeons
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Thenasil	60	6	17835	991	1123	105	15	50	30	0
Gravechill Killer	60	6	13545 -4290	1233 +242	892 -231	96 -9	15	50	30	10 +10

Thenasil	Spring Lullaby Formula: 5.2*ATK Attacks 1 enemy. Has a 15% chance of placing a [Sleep] debuff for 1 turn. Sleep	Oak-Skinned Formula: 0.25*HP Places a 60% [Increase DEF] buff on all allies for 2 turns. Heals all allies by 25% of this Champion's MAX HP. Cooldown: 4 Increase DEF 60%	Wither Formula: 4*ATK Attacks all enemies. Decreases the duration of all enemy buffs by 1 turn. Cooldown: 6
Gravechill Killer	Freezing Toxin Formula: 3.9*ATK Attacks 1 enemy. Has a 40% chance of placing a 5% [Poison] debuff for 1 turn. Poison 5%	Blood Chill Formula: 6.8*ATK Attacks 1 enemy. Has a 75% chance of placing a 30% [Decrease DEF] debuff for 2 turns. Has a 75% chance of placing a 60% [Decrease DEF] debuff instead if the target is under a [Poison] debuff. Cooldown: 4 Decrease DEF 60% Decrease DEF 30%	Icy Veins Formula: 2.65*ATK Attacks 1 enemy 2 times.Each hit places a 2.5% [Poison] debuff for 2 turns. Places a 5% [Poison] debuff instead if the target is under a [Poison Sensitivity] debuff. Cooldown: 5 Poison 2.5% Poison 5%