I have a generic 3-4 5* rank up gem for 2017 and before champs .. I also have a cosmic 3-4 5* rank up gem .. I want to rank up venom to rank 4 ... I wanted to use the generic one as venom is a 2017 and before champ,,, but its letting me to.do so .. Only option is to use the cosmic one i could not find a solution or an option to change the gem to be used ... Any help will be appreciated
