Helltech
I was reading the helltech section of the Infernals book, and I noticed that every helltech relic (Artifact) requires a demon as a component. Artifacts from 1 to 3 rating require a First Circler, and Artifacts 4 or 5 require a Second Circler. Given the tragedy of losing a 2nd Circle soul, it struck me as odd that the Yozis would make hardly ANY Artifacts higher than 3 in rating. Then I was reading hellstriders, and noticed that the lowest ranks of those are made with 5 First Circlers, and the sample one is a level 4 Artifact. I posit that perhaps a significantly larger group of First Circle demons might be sufficient to make a level 5 helltech Artifact. For example, perhaps 100 of them or more?