Voronium

Voronium is an element with the symbol Vr and the atomic number of 139. It is a stable, non-radioactive element, and is the only known substance that can enable faster-than-light travel.

It was discovered independently by Viechtyren, human, and Arkhir.

It is a surprisingly common element. It can be extracted from Voron gas (VrSO4), which makes up the majority of the gas giant Voror.