The Doctor glances over at the Master, raising his eyebrows pointedly before turning back towards Setsuna.

“I’m fine,” he echoes gently, peering at the cut again. “Not so sure about you though. Doesn’t look that bad but you seem pretty out of it. Hang on,” he digs into his pocket and comes up with the sonic screwdriver, which he tilts in the direction of Setsuna’s head and activates.