To answer your question on Dreadnaught vs. Fatesinger, I'm supplementing the build build with Dreadnaught for the reason that for 1 - I am utilizing the Shadowdancer epic strike. This strike is woven into the build as it truly is AoE, applies a debuff, promotions power damage, and most importantly: https://trentonxsnhb.blogcudinti.com/27707141/the-definitive-guide-to-githyanki-sorcerer