From Star Trek Online Wiki
- During the Dominion War in the 2370s a Son'a outpost and Ketracel-White depot is located on Devos II.
- After the war the planet is mostly unpopulated.
- In 2387 the Alpha Jem'Hadar settle on the planet, reactivating the Ketracel-White production, now being able to sustain themselves autonomic from the Dominion in the Gamma Quadrant. The U.S.S. Stargazer-A is send by Starfleet to investigate, but the Jem'Hadar are left alone as they do not move further.
- Laas and two other changelings come to Devos II and start rebuilding the Dominion in the Alpha Quadrant.
- Devos II is only mentioned in the back-story of Star Trek Online, but cannot be visited.