He sighed, so much judgement from the other. Well, Kings always have to be the best at everything. When the truth is so much simpler.

"In my universe, I know where it is. And it is quite inaccessible to anyone but me."

Technically, inaccessible to him too. Happened to be somewhere in his TARDIS, he meant to return it, but... got distracted. Actually he had completely forgotten he had it until now. Which meant, when he gets back he should probably find it... And maybe return it... but given this? Maybe it's best where it was.