PoE floatlikeabutt builds

I've been more successful than I anticipated on my homebrewed power siphon totems build and wanted to show it off a bit as well as get some help. I haven't had a lot of time to play so I've been pretty broke, and to be honest it hasn't been the best starter for making money, but all things considered the build has been pretty good to me. At this point I've probably spent about 2 div total, and have been easily doing the league mechanic in T16 maps (not super juiced, but no issues even with delirium mirror and abyss). It's been extra easy to gear because Aegis Aurora is dirt cheap this league.

Power charge stacking has some nice synergies with the big ol' fist. You can get some good sources of flat damage (the ephemeral bond, and on rings) which is great because the slam gives 600% added damage effectiveness, you get a boatload of %increased damage from Auxium, and you get crit. Add in as many sources of +attack crit as possible (gloves corrupt, hunter body, assassin ascendancy), and you can actually get pretty decent crit chance. You can also get Second Sight since the slam has 100% chance to hit. Assassin is the natural ascendancy pick since you can get +1 charge, base crit, and o

tldr: molten shell go boom for \~2M dps, generally invincible, and maximum jank I discovered an interesting interaction with Power of Purpose (PoP) awhile back, namely that any "Gain maximum mana as extra maximum energy shield" modifiers actually use the pre-conversion maximum mana (verified in game). This means mana stacking gives us both armour and energy shield. However, I couldn't figure out how to get reasonable damage out of the build... until this patch! The core of the build is to stack mana to get over 50k armour, to make maximum use of Molten Shell. Molten shell gets popped by atta