Diviad, over time, starts out all their games with an energy recovery of about 1 action per 15 minutes. Then, they eventually offer items that shorten that time. In the future, I expect to see things that let us recover energy faster. Say -15 seconds for your next unit of energy. Ultimately, they usually end up so that you can do an energy action once every 2 minutes. Ghost Trappers you can get it down to 1.5 minutes, but the floor was 2 minutes for years.
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