This is his 'hurm' face. He doesn't like the idea that someone could build something he couldn't, but he had to admit the sheer amount of foreign tech suggested that Stacy didn't come from his universe at all. Still, he enjoyed that word-- mutiny.

"If what you say is true and her technology does indeed surpass our ken, then how more effective do you expect a mutiny to be over an escape? Stacy may have some level of sentience, but she won't be subdued easily." The Master had found that out himself, and got a nasty headache as a result. Though, if they could find the right conduit...

He clicks his fingers loudly.

"Tell me, does this ship have a nerve center?"