Mutant gem used in place 2016 gem

I have a colossus at rank 3
And I tried to use rank 3-4 gem on him (2016) version but it used up my murant rank 3-4 gem


  • Hey there, our Support Team would be best equipped to look into this for you. You can reach them from the game's home screen by clicking the gear-shaped icon in the top-left corner of the screen and then scrolling down to the button labeled "Support".
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