I've recently revisited these models and made some modifications as I'd become confident that they weren't quite there yet.
For the first Daemonhost (carrying the basin of holy water), I was concerned he didn't look daemonic enough (beyond his huge stature), so I decided to try and add some spines and protuberances, taking a bit of inspiration from the classic metal models.
For the second Daemonhost (in the stocks), I felt like he didn't seem securely bound enough, so I added some loops of fine jewellery chain and a couple of small padlocks.
Here are the results:
