I believe you defin have to take out the first to guys they are like lvl 27 after that go up stairs but summon your pets and make sure they stay behind you when talking to williams after you finish mindread /talking to him run down stairs and take out other black ring guys this is kinda of a lvl dependent or build dependent I wanna say i was well in my 30's when i went back to finish this quest so your results will differ depending would suggest having a aoe damage ability(firball /exploding arrows etc) at hand since u can use this to hit enemies while your pet block the path way to you and also your pets will block williams crew from getting past you
