Revenant has 4 ways of regenerating Energy.
Corruption has a trait that slows down energy drain on upkeep.
Since Shiro Tagachi's kit is a fat and awful 135+ energy for the whole Utility i'd like to suggest a trait that increases Energy Regeneration.
Ideas (one of these):
Passively regenerate more energy if:
1. You have Quickness
2. You use teleportation skill; Unrelenting Assault, Frigid Blitz, Phase Traversal, Riposting Shadows, Deathstrike, Phase Smash
3. You are using Sword
4. You Siphon health from your enemy
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