"Ha...! Ahaha...calling that thing an- never mind," Yamato abruptly cut his laughter off, his expression blanking. "It is not difficult, merely...complicated. The, what was he calling himself this time, ah, The Anguished One had his own ambitions when warning us of the coming Invasion, that is all. Although our goals differed, he was of use to me until our disagreement became, shall we say, fatally antagonistic."

Meaning, Alcor attempted to assassinate him. That was fun.