To reply your problem on Dreadnaught vs. Fatesinger, I'm supplementing the build build with Dreadnaught due to the fact for just one - I'm using the Shadowdancer epic strike. This strike is woven into the build as it really is AoE, applies a debuff, specials force damage, and most importantly: https://andyfbwsl.tokka-blog.com/27982910/the-best-side-of-tortle-names-5e