~ King Arian and Isabella of [EG] ~
Facets upkeep NOT working in Central Tyria
They do work, but they turn off for some reason whenever your effective level changes.
Similar discussion ongoing here: https://forum-en.gw2archive.eu/forum/professions/revenant/Glint-facet-bug/
Not sure what the bug causing this is, but all you have to do is switch stances twice and problem’s resolved.