In Cuss burst how come my atk is 70k min when my characters stats are

Wit: 1831 MATK
Killer #1: 2087 ATK
Killer #2: 1936 ATK

and a friend of mine who's team is a slave team with all maxes to about 1.8k MATK/ATKS damages in Cuss Burst 88k o.o (her team isn't even in ride)

Is there something wrong wiff ma team (Fully equiped with +28's and all with rides o.o)