Is vexen a word?

Is vexen a word?

The verb vex, the corresponding adjective vexatious, and the noun vexation are all slightly old-fashioned though still in current use. Vex descends from Middle English vexen, from Middle French vexer, from Latin vexare "to shake, attack, trouble."

What happened to demyx in Kingdom Hearts 3?

However, with Vexen's inclusion, which resulted in the creation of nigh-perfect replicas, Demyx was pushed down to become a reserve member of the Organization should something happen to a full member before the Keyblade War.