you want me to spend real money to play the game? I thought these games were free... don't mind tipping, but "tipping to play" is lame. Kong this game not worth hosting.
Actually it take 13 minutes for 1 mist energy to regen. You can purchase CE (crystal energy) using your crowns earned from adventuring. CE can be used to power deeper trips via the elevators between levels, or to upgrade weapons/armor.