Not get back the infusion slots he used up the day prior to. Any infusions used within the last eight hours count against the artificer's daily Restrict. To answer your problem on Dreadnaught vs. Fatesinger, I'm supplementing the build build with Dreadnaught because for 1 - I'm utilizing the Shadowdancer https://dnd-human81245.ssnblog.com/27717516/5-simple-statements-about-how-tall-are-goblins-dnd-explained