I'm happy you found the playstyle tips helpful! I realize using a functional build is absolutely just one/three from the puzzle. The rest is gearing and being aware of ways to use it. To reply your concern on Dreadnaught vs. Fatesinger, I am supplementing the build build with Dreadnaught simply https://reidngyrh.loginblogin.com/34605535/5-simple-statements-about-tiefling-warlock-dnd-explained