Energy is the sixth currency, and the final Tier 1 currencies. Unit is "joule(s)".
Energy produces experienced time based on amount of energy, existivity, and existance. The energy-produced experienced time give boosts and can be used to prestige, but it does not increase the cost of experiencing.
After getting 5 joules of energy, the screen starts shaking to symbolise the unstableness(toggleable). With those and 1 billion existivity, you can prestige. It will reset existivity, existance, experienced time, thoughts, words, and energy to get an explosion point. It will also affect some visual components.