The Ophanim's organization, look like Shadowhunters Institute in the matter of ressources but in matter of hierachy and strategy, the Order is more from the League of Assassins.
Like the Shadohunters Institute. The Ophanim's Lair is glamoured to blend in with their surroundings. This glamour is usually chosen to make the Institute look not only ordinary but unappealing to visitors. For instance, the Ophanim's Lair, though in truth a magnificent building, is glamoured to appear as a derelict awaiting demolition,