This is a simple design, Alisa is a priestess of the Azlanti moon goddess who was slain in the earthfall though he spirit still whispers to some. It is similar to Avacna's symbol but has a crescent moon opposed to a full one.
This one is a bit more complicated with the phoenix representing Alisa's resurrection of the church of Avacna, I think the blue is a bit dark and would have liked more contrast between the silver of the moon and gold of the phoenix but will see how Alisa's player likes it.