Well... [He clears his throat.] ...it was an interesting time on Gallifrey.

[He looks at Kay's plate, curious and also slightly horrified at the alien food. The filling reminds him a bit of exploded Keem.]

It was a personality remnant left in the Matrix, a data ghost of a long dead tyrant. She needed a mind that was...[quick, intelligent, and devious, Braxiatel had said]...highly intelligent to serve as a carrier for her.