0
I'm a Pyromancer and I have Vigor 18, Attunement 13, Endurance 10, Vitality 9, Strength 18, Dexterity 14, Intelligence 14, Faith 14, and Luck 7.
The farthest I've gotten is Vordt of Boreal Valley and I haven't even gotten close to killing him.
I also have Hand Axe +2, 5 Estus, East-West Shield...