This post raised the possibility and this [comment] (https://www.reddit.com/r/PathOfExileBuilds/comments/wwmsat/any_opinions_on_new_ralakeshs_impatience/ilnkpkq/) confirmed you can actually do this: socket a gem in Ralakesh boots which you can not use so it gets disabled but have an item in weapon swap which enables it :D this causes you to have maximum charges and on weapon swap back you do not lose them so you can just Discharge the suckers. Two button build, it's just your first button is weapon swap...

On a 5L chest it does 3.4M damage. https://pobb.in/xyqi9MuouQuQ

I do not know whether Spell Echo counts for Ratpith Globe if not then the Hearty wheel can safey be dropped. We just need to out regen the 10% loss per spell cast.

Costs less than a divine, the only significant cost is the Ralakesh Boots. As /u/nubuu noted, we need Lightning Warp to move around 'cos our movement speed is toast. It's possible the tree needs adjustment so the Window Of Opportunity wheel can be picked for faster warping. Presuming the Hearty wheel can be dropped that looks like https://pobb.in/x41CelAQ1z28