- "What exactly is rhydonium?"
"It's a fuel mostly been mined out on Abafar. It's volatile and dangerous."
- ―WAC-47 and Gregor
Rhydonium was a type of fuel that was mainly found on the remote Outer Rim planet, Abafar. It was known to be extremely volatile, causing massive explosions if ignited.
The Separatists mined for rhydonium in Pons Ora to load onto the Venator-class Star Destroyer, Renown, as part of a plan to bomb the Republic strategy conference in the Carida System.