After Malachor, Vex stays with Ahsoka, until he is called to help the Ghost crew one last time, in liberating Lothal. After that, he returns to Ahsoka, where she begins searching for where Thrawn is taken. As they search, Vex takes the time to speak with Luke Skywalker, telling stories about his father. When Luke learns the truth, Vex then explains how it happened, revealing that there is still good within Anakin, in the form of Luke, his son.

After Anakin's redemption, Luke teaches Vex how to commune with the dead, and he teaches it to Ahsoka, whom he had already told of her Master's redemption, much to her joy, and tears. As Luke searches for Jedi Artifacts, Vex continues to join Ahsoka in searching for Ezra and Thrawn, sending any relics he finds to Luke.

Vex meets the Mandalorian first, before Ahsoka does, as the familiar signature of Grogu had caught his attention. Together, they warn of the connection between the two, while also admitting, that while a danger, it is also a strength, if treated properly and explained.

After this, they continue their search, eventually finding Ezra and Thrawn. Now to wait for the actual series to reveal it.

Years pass, and as Legends Canon plays out, Vex and Ahsoka are around for quite a bit, before they die together, sacrificing themselves in some way, the way they wanted to go. With the Null coursing through Ahsoka, as much as it is Vex, they are often found together in different realms, unless only a soul is taken. The time when Vex is split in two, between Ezreal and Viego, Ahsoka is trapped within Kai'Sa. They manage to be freed, their bodies being built by the magic of the realm before they continue on to others.

A/N - This, will the the in between of Rebels, and the 'what happens after, that I won't put in actual full blown chapters' document. Like the other Inbetween, it will be continually updated over time. Take care and stay safe.