Which Delta Pivot Kit do I need?

A - Following V1                                                                                            

B -Insurgent V1, Wreckoning (V1)                                                                                                         

C – Calling, Following MB (V2), Insurgent LB (V2), Wreckoning LB (V2), Offering (V1), Following (V3), Wreckoning (V3), Offering (V2), Insurgent(V3), Following LS, Wreckoning LS, Offering LS, Insurgent LS         

D - Epocalypse