i would like it to be lots of Arabic looking temples with lots of libraries and laboratories with weird symbols and candles. red sand stone, and floating glowing orbs will light everything. there are no doors just portals that take you places. everything they do is powered by magic, modes of transportation, preparation of food, all the guards are gloms. when i think of pure arcane magic i think of a mix of hp lovecraft, deals with daemons, and geomancy and the ideas of alchemy.