Raedric’s Hold sewer entrance

Raedric’s Hold sewer entrance - Unrecognizable woman leaning back standing in train and holding on to handrails

So Kolsc has told me there is a sewer entrance to the hold but I cannot find it anywhere. I have found the vines and the guards outside the keep but cannot for the life of me find a sewer grate. Has anyone got any guidance as to how to get in to the dungeon under Raedric’s Hold?

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Pictures about "Raedric’s Hold sewer entrance"

Raedric’s Hold sewer entrance - Ethnic woman leaning out of train standing in exit door

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Pillars of Eternity - Raedric Hold Secrets

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Images: ROMAN ODINTSOV, ROMAN ODINTSOV, Samson Katt, RODNAE Productions