Since it is quite dark, you don't see anything out of the circle of light... So you just see the goblin at the edge of the light coming from the dancing lights.
The goblin replies to Rai, in Goblin;
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"You were between us and our boat, you shouldn't have woken..."
Hope you have a source of light. The lower deck is dark. Once Hal has arranged light you notice the lower deck is empty, with only some water and food stuffs in the back. The captain's chest is in the back. And in the front Nedric's wizard work shop.