At which floor, in Torchlight, is located the Deathlace Ember, needed to solve the respective quest in main town?

Solution

The deathlace ember is located in the "necropolis", which is on the floor below the 1st waypoint, so Floor 5. As the name states, the "necropolis" is filled with the undead. Below the image of the location of the deathlace ember.