
Originally Posted by
Hambone
And Yunalesca began what is known as the teachings of Yevon because Yu Yevon was the one who is ultimately responsible for them, because he told her, and she passed it on. And since there was no source preceding Yu Yevon, he was the one who created the means of killing Sin...temporarily. So yes, Yunalesca was the main source for spreading the teachings and the religion, she didn't create them, Yu Yevon did. So of course she had part of it planned, she makes it quite clear that she likes the Spiral of Death when she tries to kill the party in Zanarkand.