Oxidium is a fast acting rusting agent found on the planet Scylla. After escaping in the mass Breakout, the villain Jawblade headed to Scylla & had the plan of collecting enough Oxidium to rust any Hero's armor & did so with William Furno. However, Furno supercharged his Hero Core & undid the effects, then captured Jawblade. This proves it is unaffective for heroes & is powerless against them.
- Oxidium - Oxidium in the Lego toyline Hero Factory.