20 years pass.
During this time a vast heresy amongst the cities closer to the surface is discovered and so the Faithfull set out on a holy war to remedy the situation. A full tenth of the armed forces of The City take part in this operation wich takes several years.
It leaves the Drow closer to the surface seriously depleted from infighting, slave-rebellions and the foolish resitsance against those true to Lolth. Nevertheless they are now back on the path of the righteous again, guided by the ever benevolent will of The Godess.
Zhe'raen, GhulDril, Yathrinë and several other of the soldiers of HouseNemalzhi are very active during the war, earning fame, skill and a small amount of fortune in the process.
Meanwhile, Zhaunil and Ahriman keeps working on their project to amaze all of the City with their skills!
That is to say: create two Angels from scratch and display them to the world!