• Those who linger outside of cities are mutated in some way, forcing those who are unable to live in civilization to be cursed and marked.
• Some cultists still keep away because they believe the Vex gives them power. The opposite of social distancing.
• To keep the curse at bay, the races must mix their blood in a regularly performed ritual.

With the exception of the Guild dwarven drill submarines, the continent falls under a kind of quarantine, with trade comes to a standstill.

• Maybe Corvax created the Vex of Ruin to pave the way for his next attack when he wakes back up?