In Lords Mobile Energy Recovery I research increases the energy regeneration rate of your leader. It is found in the monster tree.
There are 10 levels in total and once maxed you will have increased your energy recovery rate by 23.5%. You need to have unlocked monster hunt I in order to research this ability.
The table below has the resource cost and time to upgrade each level. It also shows the might and rewards granted. You can find out your own research time by using our research calculator.
Energy Recovery I Research Requirements
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