Houses of Hermes: True Lineages (5e)
The True Lineages are the backbone of the Order of Hermes. In these four Hermetic Houses¸ each magus was taught by a magus of the House¸ and that master-apprentice relationship goes back to the founders. This sourcebook details the four True Lineages¸ including rules for original research¸ unique forms of magic¸ and new Virtues and Flaws.