There is music coming from somewhere, but their hauntingly distant voices seem to echo all throughout the church.
The stained glass window behind the altar is completely destroyed, leaving behind only jagged edges still embedded in the frame. The full moon is clearly seen from the window, letting in the only source of light into the church. The moonlight lights up the altar - and the person in the dark green cloak that stands before the altar with a open tome.
The shadows in the place seem to hide you well despite the fact that the door opening could have easily been noticed. The shrouded person is silent as you observe him.
The door closes behind you after you enter. Surprisingly, it closes almost soundlessly, and doesn't slam or make a huge racket.
Innsmouth, still invisible, nods at Dunwich's request. This could only be noticed because of the black flaming eyes that appeared to doppels in this invisible state, a quality that he shared with his creator. The doppel reached, caught the windowsill, and hoisted himself up enough to place his elbows on the sill. He pushed against the window, then when it didn't budge he slithered his fingers underneath. After a few seconds of wriggling, the window was pushed up. Innsmouth then pulled himself inside.
You can't hear much of anything for what seemed like an agonizingly long time, but in reality the time spent was quite short.
There is a soft thump from inside. A full minute later, and Innsmouth returns to the window with a hemp rope in hand. He lets it down for you while holding the other end. Your doppel clone holds out his free hand to help you inside when you reach near the top.
"There is something you should see, Master." he calmly whispers down to you.