Board Thread:General Discussion/@comment-40112086-20200207184924/@comment-40256914-20200212054934

Yes, not enough energy is what stops you. I burned through countless energy talismans. Playing Starcatcher/Emerald Mystery is good too, because you get +10 energy for every game. It also helps to time your leveling up. It’s best to level up when your energy bar is at its lowest.