Just as we saw at the execution, the Watchers were specially equipped to deal with the spectres.

[ However, as he provides this little tidbit, he passes on a note in Hangul.

Knowing you, you probably asked about powers and or items from home. There's an exchange system- though at a cost with some restrictions.

Jin is, once again, moving to walk beside Niah with jolly steps. Happy fox. ]

It's good they weren't brought in completely unawares and with nothing.