Quote Originally Posted by Zetsumei_Tsunarashi View Post
Kinda feels like people are reading too much into this. The trailers have always had the warrior of light changing jobs in the trailer. This kinda looked like he was being stripped of his skills and being knocked back to his ARR status as a warrior to me. Possibly just symbolism for a story point.

Also arbert, the warrior of darkness was a warrior as well. Seems foreshadowing of our need to follow in the footsteps of the warrior of darkness.
That was how I interpreted it as well. Especially since each class that he switched to had thematic value from ARR and the previous expansions. I don't think this is an actual gameplay mode so much as them thematically stripping everything the WoL has done up until this point as meaningless in a funky visual metaphor.