Look at the official post on dndbeyond where WoTC talks about the bastion system
It literally confirms here that bastion facilities have nonsensical class feature based prerequisites
A zealot barbarian or monk or eilsitrseen swords bard can’t have a relinquary because they can’t use divine...
This is absolutely not true
If this was true, then monks, zeal barbarians and celestial warlocks would be able to build a sanctum. But no, only clerics Druids and paladins can have a sanctum or relinquary
This bastion system is bad news
It’s horrible that WoTC didn’t take any feedback and they are using class features, of all things, to gatekeeper players from facilities that fit their characters
For example, a sun soul monk who serves Lathander is not allowed to have a sanctum. A zealot...