In #248, he finally leaves the X-Men to try to sort himself out. His experience with Gateway and the Dreamtime brings up how fragmented his sense of himself still is.

In #248, he finally leaves the X-Men to try to sort himself out. His experience with Gateway and the Dreamtime brings up how fragmented his sense of himself still is. Being on the team has given him friends, a relationship and somewhere to live. It hasn't given him back all the pieces of his own history. He decides he needs to go looking. That happens before the remaining Australian X-Men go through the Siege Perilous. Longshot doesn't go through it with Dazzler, and her later memory loss isn't the explanation for his departure. He's already gone by then. He's leaving people who care about him, including Alison. But staying with them hasn't fixed the missing memories. He wants to know enough about his own life to understand what he's been running from and what he wants to do next.