Backing up into the previous tunnel to get back into their advancing formation, seeing as there's a light in the tunnel ahead, Keaton decides to send Efude to sneak ahead and see what is in the lit room.
1d20 + 11 ⇒ (19) + 11 = 30Stealth
Efude quietly slides up until he can see what's in the room, trying to stay in the shadows where his mostly black exterior should help conceal him.