Ultron or Warlock to R3
I have a 5* rank 5 sig 200 Warlock in the roster already, who I use all the time... This holiday season has been nice enough to me to pull a 6* Warlock, and to awaken my 6* Ultron. I just took both to R2 (Thanks GGCs), and now want to pick someone to go to R3......
Who should I take to R3 considering my existing roster? (I also have an R2 awakened Thor Rag for the Ultron Meteor synergy)...