Offering of Spirit

Acquisition
Signet of Capture:
 * Shakahm the Summoner (Domain of Secrets)

Energy gain
This presumes Offering of Spirit is cast as often as possible (activation + recharge time) before any activation/recharge time modifiers.

Trivia

 * The skill was named Spirit Strike in the Nightfall Preview Event.

Related skills

 * (Elite)
 * (Elite)

Related articles

 * Gain/Lose energy skills quick reference