...
Celestial facilities associated with a particular Guardian provide boons to House members who are the only ones who can access them (or at least important parts of them). Gavin Rummery is it worth linking in here how the Guardians relate to the High Keepers and explaining that THA bit of whatever. Good to provide info for High Keepers etc…
The High Keepers
Each Great House has its main temple in Lighthaven at the foot of the Celestial Tower. The Holdaran in charge of the House is called the High Keeper, and takes the name of the Guardian with the postfix “-tha” meaning “servant of the god”.
So, for example, Ngaultha is the High Keeper of House of Commerce, which is affiliated with the Guardian Ngaul.
...