Shadowbow Tirlac vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Shadowbow Tirlac	Sylvan Watchers	Spirit	Defence	Rare	-
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Shadowbow Tirlac	60	6	15030	793	1233	95	15	50	40	0
Gravechill Killer	60	6	13545 -1485	1233 +440	892 -341	96 +1	15	50	30 -10	10 +10

Shadowbow Tirlac	Shadowbow Formula: 3.4*DEF Attacks 1 enemy. Has a 40% chance of placing a 25% [Decrease ATK] debuff for 1 turn. Decrease ATK 25%	Swift Warband Formula: 3.6*DEF Attacks all enemies. Places a 15% [Increase SPD] buff on all allies for 2 turns. Cooldown: 5 Increase SPD 15%	Diversion Places a [Veil] buff on all allies except this Champion for 1 turn. Also places a [Shield] buff on all allies for 2 turns equal to 20% of this Champion's MAX HP. Cooldown: 6 Shield Veil	Camo Cover [P] Formula: -0.05*DMG_MUL Decreases the damage received from skills by all allies under [Veil] or [Perfect Veil] buffs by 5%.
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%	-