Sanctum and Sigil

" This book includes details on the Protocols and Great Rights of mage cabals, and the laws of the Lex Magica presided over by the Consilium; expanded rules for the sanctum, Hallows and ley lines, including new Merits and spells; information on Seers of the Throne pylons and Banisher cults, including sample groups." -- p. [4] of cover.