there's no way to get past obsidian yards if you don't get enough tamed horses. There really should be a way to get back to the places you have already beat so you can get enough resources.
Did you increase the ragdolls capability to survive stuff? because I cut the ragdolls head so much that now the head doesn't even have a healthbar, yet the ragdoll is still alive.
de-craft the knights by clicking on them