AEanna completed the incantation and without pausing for breath, began a new one in the rich, melodic tongue of the Bretons, which made it sound as though she were singing rather than chanting.
OOC: I'm thinking that Tophat would just be influencing the changes in the soul, rather than taking a partin the spell itself. That the magic makes the soul... malleable, for want of a better word, allowing him to shape it like clay.