The snakes around the garden house hit for about 500 to 900 HP. I am a 70 Shadow Knight Max defense AA's It's best to kite them. You would need to kill about 20 to 30 to have good fraction to get the quest.
Slyscythen Assistant Leader Accursed Legion Devoted Member of the Iron Circle Kos AL CE PK
casts a self buff proc called Poison Blood , which has this effect: Poisoned Blood Slot Description 1: Decrease HP when cast by 605 (L1) to 975 (L75) 2: Decrease Movement by 50%
if you pull them with dispell, they lose the ability to proc it