Rank up help

JoSpidey_10

The images are who i have that can be ranked. I can r4 someone, or i can r3 two champs. Or i can go ebony. What should i do? (The top 3 6*s are r4, herc is still r3)

ahmynuts

R4 Herc

Gardosh

Go with whoever you enjoy and use the most. Personally, I would rank up Herc.