Lightning

"You waited till now before saying it to me?" Vale said, but he immediately shook his head.

"No, it was my fault for not asking you…" He was a bit lost as he didn't expect that this Dark Spirit could solve his problem just like that. He had been studying the Soul Bonding Method diligently, so he couldn't help but feel disappointed in himself after realizing that it was all for naught.

Yvaine just stared at him as she seemed unwilling to explain further.

"Please help me, Yvaine." Vale requested. He still knew that he had to be polite whenever he asked for help.

"Mhmm… This will be quite different from the method you're trying to do with the Sword… I would have to integrate with the Sword and control it to form a bond with you." She replied.