4* generic gem on Ghulk Y/N?
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I went for ghulk in arena mainly for his face me ability, I think it will save me some health pots when up against those so called fun&interactive nodes/characters. Question is should I use a generic on him since I won't be grinding round 2 arena or just wait to duplicate from a crystal? Does he need sig ability to be r5 worthy? Other unawakened 4* are mordo, bishop, DV, void, wolverine
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