Here's the formula for energy refill: // 0.98^(level-1)*4 hrs
Taken from the new whitepaper:
https://yuexn.gitbook.io/golem-overlord/gameplay/battles-pvp/battles-energy
Thanks for the guide, personally am trying to build both an offensive main and defensive alt but specializing too early seems to be hard now as getting robbed or not being able to rob anything can hamper progression at the start I think!