Energy Regeneration Rate

Energy Regeneration Rate is a character-exclusive stat in Honkai: Star Rail. It increases the amount of Energy regenerated by a character.
\begin{align} \text{Real Energy Regeneration} ={} & \text{Base Energy Regeneration} \\& \times (1 + \text{Energy Regeneration Rate})\end{align}
Note that some Energy-generating effects are not affected by Energy Regeneration Rate. These include:
* Bailu's 
* Firefly's 
* Huohuo's 
* Tingyun's 
* Tingyun's 
* Light Cone: Past Self in Mirror
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