Awakening does not require a max level skill. Not all Gold+ units have an Awakening. Not all classes had an Awakening during the release of this feature. Expect them to come in waves or throughout the year after it becomes available.

Skill Awakening is a feature available only to units that are Awakened and has an alternate skill. It is required to have a skill at max level for them to be able to change to their alternate skill. Not all Awakened units have an alternate skill available.