PoE andriask builds

This is my first time playing Skeleton Mages. I really like it. The only drawback is the slow walking speed, which can be upgraded to rare boots, but sacrificing +1 skele. My current POB: My build is nowhere great, but at 9 mil dps, 15 mil with Vaal it serves my purpose so far. I believe I have only spent less than 20 ex. I'm doing Logbooks + Grand Design Atlas focusing on Expedition juiced with Sentinels. Nice currency. I guess I want to try most content including sim 30. I'm unsure on the next major progression. I'm very frugal spender, upgrading only when ne