Well, one of us would approach stealthily, while the other dons a clever disguise to distract while his back is turned. Like so.

[There's use for this scarf Merlin will never wear after this, after all. Dorian raises it as a warning, then promptly starts wrapping it around Merlin's head to obscure his face without waiting for a reaction. Clearly, this is the perfect plan.]

Can you do another voice? Something less... I don't know, you? Something gruff!