Nathanos Blightcaller has lost entire regiments to that monster. His size knows no bounds and the more he eats the greater his girth becomes.
Everyone who wants to engage the beast, should be recommend to enlist the help of others for this mission. Borelgore has been known to devour small battalions foolish enough to attack him.
Patch 2.3.0 (13-Nov-2007): Lost elite status, health dropped from 45k.