[S15] (Singularity Mage Necro) Pit 145

Thanks to ‪@rannyel618‬ and ‪@serocifkre‬ for the build and advice. Ranny's Planner: https://maxroll.gg/d4/planner/bf61j50q#1 Seroc's Guide: https://maxroll.gg/d4/build-guides/mi...