“He was in Byakuya’s mind,” Jyuushirou said, trying not to shudder at the very thought. “He… froze Byakuya, long enough to cut him. He could have taken the control even further….”
“But he didn’t.”
“No,” the captain admitted. “But he could have. He wanted to. Byakuya said he’d never felt such anger; at us, at our laws, at anything that would hurt Rukia. He was a breath away from taking Byakuya’s will completely.”
“By luck, and you know it,” Jyuushirou said soberly. “When he realized what he was doing. Isshin, you know what Vaizards are. It might be a year, it might be a century; one of these days it’ll happen again, and-” He couldn’t say it.
“I know what Vaizards are in Tsukikage,” Isshin said flatly. “Wild talents. Shinigami we throw out and hunt down, ’cause they’ve cracked the wall that keeps psionics out of our minds, and a mind flayer could use ’em to hopscotch right across all of our barriers. We hunt them down, and we put them down, like you’d put down a mad dog. ‘Cause by the time we realize something’s wrong with them, they are crazy; twisted up by their own powers, because we’ve got no trained manifesters to teach them.” He took a deep breath, and turned a determined, pleading gaze on his old friend. “Jyuushirou… there are teachers here.”
The shinigami captain brushed white hair out of his eyes, trying to think. To let a Vaizard live – more than that, to deliberately try to train one – it went against everything Soul Society stood for. The Commander-General would kill anyone who even breathed the thought-
“Aizen,” Jyuushirou found himself whispering, “would never expect that.”