When you jump at the pedestal that holds the Vault for the Spoils of War at the center of Tahl Horn’s Keep and swings your weapon you may sometimes glitch into the pedestal. I have only ever been able to do it when my weapon scores a critical strike. It does not happen every time but I’ve been able to reproduce it 15 times. It also does not prevent you from walking out after you glitch into it.
Saltzpire Zealot inside of the Spoils of War pedestal: