kromede's trial big mess up

[corey5112 0]

I have done something quite bad while doing nightmare in shining armour I did not look at the body of the dude on the stairs to continue the quest and carried on with killing everything including the boss i realised after i had done the instance so i went back in looked at the body and then i needed to kill the boss again but the problem was i had all ready kill the boss so ther was nothing i could do so i abandond the mission and reenterd now am stuck in the cave nothing is respawning so now am stuck  nothing is respawning