Quoted from Yelobird:Wow that sucks. Can I assume looking at the pictures this was shipped assembled with the legs on and manhandled from the back box from the shipper. Won’t be easy to fix this.
I'm still surprised to hear of titles getting shipped with the legs on, seems like a receipe for disaster. I know for some people it's worked out well but then there's stories like this and that LOTR from years back that fell out of a truck.
Sorry to hear and see the damage OP. I think the game is a near total loss and that the shipper should be responsible. It looks like little care went into how the game was handled by the shipping company.
From what I can you need at least a new cabinet, all new armor, and a few other smaller items. This is all assuming that the playfield and components in the head are fine. Decals for Black Knight can still be found. It may be worthwhile to see if you can get a new cabinet made from a 3rd party seller, or check with Stern to see if they may have any spares are still available for purchase.
Virtua Pin may be able to make a new cabinet.
https://virtuapin.net/?gclid=EAIaIQobChMI_vz33L2Z6QIVBdvACh0XiQ6XEAAYASAAEgK0DPD_BwE
