Ranking up to 2

Predator_41

I have 6* VALKYRIE, OG STORM, QUICK SILVER ....All rank 1 max...I am planning to take any one of three to RANK 2...Which should I take...your experience might help me choose the right champ to upgrade

Super_Cretu90

If all 3 unawakened, i would choose either Storm or Quicksilver.