How much of Deepnest is still alive? When it comes to the higher thinking denizens, at least

Difficult to say, because I've never been clear on what constitutes a higher thinking being. We know roughly how entities like the Pale King and the Citadel navigate the concept, but then we get entire civilizations like the Craws, who show all the signs of high intelligence and complex society but are treated as pests regardless. Deepnest's devastation was more than just the Infection itself, but…