Leaving the trolls' castle

Dizzy came into the trolls' castle by the archery. How does he get back out to Castle Street?
Nudge 1Where to look
The way in is the way out.
What you needOther problems to solve first
Solve these first (each opens its own page, no answers on the way):
Show the solutionThe whole answer, with a video
Walk off the reception hall's far right: Dizzy walks back out of the castle and is on Castle Street again. Coming back later, the archery only needs B: Dizzy walks straight in.