Hydra Chemical Recovery Enhancer
From City of Heroes: Rebirth - Wiki
Description
You've defeated miniature versions of the Hydra head beneath the streets of Paragon City. Scientists have studied the samples you recovered and have concocted this chemical mix that will increase your recovery. This mix will last for one week in-game time or until you reach level 22.
How to get
One of four completion rewards from the Death from Below trial.
Detailed Information
+15% recovery