Sergeant vs Infiltrator

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Sergeant	The Sacred Order	Force	Attack	Uncommon	-
Infiltrator	Shadowkin	Force	Attack	Uncommon	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Sergeant	60	6	12555	1112	804	92	15	50	30	0
Infiltrator	60	6	13875 +1320	1123 +11	705 -99	101 +9	15	50	30	0

Sergeant	Hack Formula: 2.3*ATK Attacks 1 enemy 2 times.	Rally Attacks 1 enemy with 1 random ally. The ally joining the attack use their default skill. Cooldown: 3
Infiltrator	Shank Formula: 3.9*ATK Attacks 1 enemy.	Throwing Knives Formula: 3.4*ATK Attacks 1 enemy 2 times. Each hit has a 50% chance of placing a 2.5% [Poison] debuff for 2 turns. Cooldown: 4 Poison 2.5%