Talk:Antimatter/@comment-2A00:1028:9194:321E:1996:8F54:6434:CC1B-20200119153743/@comment-191.163.155.230-20200120221131

If you click on Tech Force Zeta, it will show you how many crystals you need to complete the antimatter. If you don't want to use crystals, you need to upgrade HQ to level 7.