I level every Oathkeeper based build like this - [1.1.5.2] Dreeg's Dreidel - 2H Acid EoR Dervish - Beginner friendly MC farmer!
All you need is the sword at level 58
And it looks like this till the end - https://www.youtube.com/watch?v=HFSOnEa6teU&t=151s
Once you have the sentinel set and the mace it’s time to respec into the final set up.