An'ya Kuro goes through a wall in order to escape from an Octuptarra combat tri-droid. Phase represented a Force power which allowed a Force-sensitive individual to move through physical objects, like walls and doors.
It is known that An'ya Kuro possessed the power of Phase. Bazel Warv was also capable of utilizing this ability when suffering from his Force psychosis. Following Bazel's usage, Raynar Thul stated that the Killiks were the ones who developed this technique during the creation of the Maw. Conversely, Leia Organa Solo posited that the Celestials were the originators of the ability, given that the Killiks assimilated the memories of any being who became Joined to one of their nests.