Вроде ж термин из Имперских Мистерий, относящийся к механике переселения архимагов в Supernal Realms на ПМЖ, нет?
The Watchtowers have been examined by hundreds of archmages throughout history making pilgrimages to revisit their Awakening. Each appears to be a Talisman of unknown owner, merged with and generating the Lustrum in which it sits, so that it serves as a refuge from being absorbed by the Supernal Realm.
А на каком варианте в итоге остановились?