PoE Archmage, Hierophant, Critical builds

Hey there, Path of Exile community! I'm excited to share my theorycrafted CwC BV Hierophant build with you all. I've been using poe.ninja as a reference and I'm feeling pretty good about the overall viability of the build. However, I do have a few questions and concerns that I was hoping the community could help me with. First of all, I have some empty gem slots that I'm not sure what to fill with. I want to make sure that my build is optimized for maximum effectiveness, so any suggestions or tips on which gems to use would be greatly appreciated. Secondly, I'm using Indigon in my build, whi