I think you absolutely need purification potions though if you dont have 500+ item level. I think i might be able to do it without them with 492, but i’m not sure. Probably just going not going to take the chance.
Going to try tomorrow with purification potions. I am consistently getting him near death and past the first two stages now. I have around 3 minutes left and i should be able to do it, but dont want to chance it.
I might go in to more details on the fight after if anyone cares, but some things that helped me:
-eat chaos bolts with sacrificial pact/twilight ward
-Do as much dps as possible, not thinking about agro until imp stage, but…
-Delay doom as much as possible. he won’t cast it if you have the portal -agro buff. So keep using the portal until he starts casting it on you. don’t try to portal avoi the doom, you can’t. instead stop the first doom with a charge. He will not cast the aoe until he dooms you so this is perfectly safe.
-make sure you enter imp phase with no embers. You generate them so fast aoe’ing the imps, get some good dps on the boss before you need to watch agro with your remaining imps so you don’t overflow.
-Make sure you soul shatter when he summons imps. This is the main time i die from chaos bolts, because i’m trying to aoe these imps and i dont notice one.
-make sure you leave the imp stage with 5 embers
-After imps and before he summons felhounds, make sure your pitlord has firm agro on him. Hold back dps if you need to, but you CANNOT take agro from him while the felhounds are up or you will probably die.
-The second he starts summoning felhounds, tell your pitlord to follow you, use a portal to behind a pillar, tell pitlord to stay and then start running back. as you’re running back, set a rain of fire in middle of area so felhounds run through it. aoe stun them when they are together. Havoc chaos bolt and chaos bolt them to death asap. While you’re doing this, if the boss followed your pitlord behind the pillar (he normally does if you position him right), make sure you tell your pitlord to attack him again.
-as soon as the felhounds go down, do full dps on him. He will probably aoe as well so be ready for that.
-Make sure you dismiss/enslave your pitlord every big demon phase. This is how i wiped at 20%, i thought one re-enslave was enough and didnt do it again in the 2nd demon phase.