Cosmic tech dual class crystal or basic crystal

Sairam44

Tomorrow I will have 10000 5star shards , this is my roster pls help me
I need good 5stars to rank 4 so what's ur suggestion?

Lvernon15

If colossus isn’t r4 take him up, if he is doc ock is the only other r4 worthy

Thicco_Mode

cosmic tech is probably what you're lacking, but it's probably the worst crystal