Moder is a pain to deal with, but there's a little trick for getting your body back in general when it has a lot of enemies around it.

You get this buff called "Corpse run" the moment you pick your stuff up and I believe it lasts one minute? You get incredible health regeneration while thats running, so if you eat a lot of good food that buffs up your health(Assuming you would be one shot otherwise), you can potentially be unkillable until it runs out because you out heal the damage. Its at least something to think about, for example, Bonemass can't kill you in full iron while you have corpse run. You could stand in front of him and attack while not moving.