My last mastery upgrade before trying to complete 5.1 and 5.2

StarlordisWicked

I have bought all the cores for one more upgrade, then will save all my units and potions this month to finally push through 5.1 and 5.2.

My bleeders are: 2/25 GP, 4/40 Blade (sig 50), 4/40 AA (Sig 80), 2/25 Ultron, 2/25 Elektra , HE 4/40 Sig 60 and 4/40 X-23
Non Bleeders are: 5/50 Medusa (Sig 60), 4/40 SW (Sig 99), 4/40 Dock Ock (Sig 20), 4/40 Void (Sig 60), 4/40 Stark SM (Sig 40), 4/40 SL Sig 20, 4/40 XB Sig 2 and 4/40 Hulk Sig 5