Rieg Davan underwent special training in the Syfon Warrior division of the Nova Corps on the planet Xandar, becoming one of the division's most adept operatives. Forced to land his damaged starship on Earth, he became amnesiac for a time and was tricked into the services of the villain Condor.[1]

After regaining his memory with the help of the leader of the Nova Corps, he returned to Xandar to aid in their war against the Skrulls, becoming a part of the Champions of Xandar. They were able to save Adora from Skrulls and defeat their invasion fleet, which allowed him to be fully pardoned.[2][3]

Powerhouse is presumed to have died fighting the forces of the world-conquering Nebula while attempting to protect Xandar. They failed and the planet was left in ruins.[4]

Power Grid [6]
Energy Projection
Fighting Skills
* Heightened strength, durability represent energy absorption potential.


Superhuman strength. Ability to absorb energy from any source to temporarily enhance physical strength fiftyfold.


Skilled warrior and space pilot.

Strength level

Superhuman (can press 1 ton naturally, increasing to up to 50 tons when enhanced by siphoned energy)

Powerhouse is a Syfon warrior in Xandar's Nova Corps. A Syfon warrior is one rank below the highest rank Nova Prime.[2]

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