Saboteur help or play with some on heliophage

I cant get passed mission 7 with solo or with 2-3 people helping tired of trying anf failing at the 3rd wave defending nova when its impossible to defend the 3rd wave when she takes damage from nothing. Could someone help so I can unlock the helophage? Or invite me to a party on ps4 to do the heliophage on advance so I can unlock deande.

Sure im down right now, whats your ID, im down to kick some PvE butt.
Better yet add Masaifou on ps4

Dive00 ill add you now

Moved to the online section.