Zexion fixed Marluxia with a look that hovered between defiant and nervous. Marluxia was giving him a choice; teach him and forge a tentative alliance with him, one that could very well include Kuja and Lumi by extension, or deny him access to a recreation of his old ability and make himself another enemy.

The decision came easy.

"It is a technique that requires practice to improve the duration of the manifestation," he said after a moment. "That is, if you find yourself able to master it at all."

It shouldn't be impossible, especially with their experience related to manipulating their Nobody weapons, but the effectiveness of the technique varied by person to person. Their weapons had been a part of them back then, there was no reason why they shouldn't be a part of them still, providing they had good enough Chakra manipulation.