Technically, the average weight of EACH necromancer's ego would pull the universe simultaneously in multiple directions until such time that the universe is torn into many pieces and only necromancers can bring it back.
ITS THE CIIIIIIIIIIIIIIIIIIIIIRCLE OF LIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIFE
Nope because only Spearbreakers necros have THAT much ego therefore it's all getting pulled to Spearbreakers (really you'd need that big of an ego to even BEGIN to think Spearbreakers is the place you want to attack) and that my friend is the CIIIIIIIIIIIIIIIIIIIIIIIIIIIIIRCLE OF LIIIIIIIIIIIIIIIIIIIIIIIIIFE! (you asked for that)