PoE gruenen builds

I'm a sucker for perma flasks and wanted to try hexblast mines (seems like it will be good for sanctum and league mechanic which is what I want to do) so I made a POB for it and it kinda looks good. - feel free to steal and modify if interested or provide feedback on why it isn't very good. Not a league starter but something to transition to day 4-5 pretty from poison exsanguinate/PC - You could make the swap at 85 if you really wanted to and had the reservation and flask cluster jewels, 91+ and it would start to feel a lot better. 6-7 mil DPS on a first week