SLaVE - I can't find the Exit in Nocturnal's Sepulcher. Where is it?

The clue given in the message and in your quest journal is...

Secrets in the dark. An EXIT awaits you. To find it... Nocturnal's statue beckons you. A leap of faith tempts you. Submission is your friend.

With this clue you don't need to read any further... right?

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• Nocturnal's statue beckons you - there are two hidden pull chains, one on each side of Nocturnal's statue. It's the same statue you initially worshipped

• A leap of faith tempts you - go through the door into the Inner Sanctum. Jump into the pit. Just wait a minute, then something will happen

• Submission is your friend - After the pit, get into the cage