Talk:The Secret of the Lamps/@comment-2A01:C23:8464:3900:D1C1:405D:4A7C:29CD-20190626053321/@comment-38551567-20190626090313

If you have rubies that you're willing to spend, then buying keys is much cheaper than buying energy to keep fighting for keys. Based on what you stated, you'd either have to spend 7680 Rubies to get that much energy, or 600-750 Rubies to get that much keys.