Just how powerful the forgotten lore is? Here is another way to answer such, make a city float over an active volcano crater and hold the pressure in the magma chamber so that it won't erupt. Powerful isn't it? And yes, this city is the stronghold of power.
And since knowledge is also power, this city values education and everything that contributes to it. That is why there is an enormous library, a monster museum and the renowned Sage Academy to make sure the continuous existence of power and this city.
Try to visit the Sage Castle on the northeast to unravel some archaic power yourself.