This Merlin on BBC photo contains
living room, living room, sitting room, front room, parlor, parlour, street, city scene, urban setting, and family room.
There might also be
penal institution, penal facility, drawing room, and window seat.
Merlin's dying so is left to go with Lancelot back to Camelot, but Arthur has to carry on to the isle of the blessed. Merlin doesn't want Arthur to go without him.