Who should i R4 in 6 star

Lol2k

Hey,

i have the rank up stone 3>4 of X-MAGICA and Magic thief

Who should I rank up with it:

1. Kingping
   
2. Sunspot
   
3. Bishop
   

None of them are dupe, or should i wait for someone else?

Rayven5220

Unduoed I would say bishop. Great 2 way champ.