Try to add just 1 original type of gem to an upgraded tower, so you will get the dessire effect and no random status inflicted to enemies due to mixing various kind of gems
its hard, and unpredictable in certain times the path is full blocked, even if you can jump 3 times or slash a bear in situations the path do not give you chance to avoid crashing a grave or a skull, when you got hit you are stunned you can't jump for a second and there's no damage delay sou you will being hit many times possible in the stun