Magnetised Screaming Bell - Part 5 - nearly done

A this stage we're close to completion.Here are the bell / furnace's bare bones:

Here are the various components:

Here is how the Rat Ogre and Plague Monks' chains fit:

The Plague Furnace:

The Screaming Bell:

Onto the next post for what remains to be done, and a tiny problem with the Grey Seer's hand.