PoE Bannerman, Trap builds

Theory tag because I have a PoB and no character to actually show it with. But I've tested the mechanics, and know they work. The question is whether or not my PoB is accurate. Where does the come from? The idea is that buff up , you spawn all your worms, throw the beartrap on your target, then use call of steel 4 seconds later. To do some math: PoB reports that the total stored damage of our Impale is 1 million. The Impaler inflicts 4 additional impales, so each beartrap is 5 million damage in an AOE. With 5 worm flasks and a bit of reduced flask charge

left - enduring cry mid - mark right - exsanguinate traps q -seismic w - frostblink e - steelskin r - RF t - VRF

POB: I figured this was a better way to showcase how tanky this build could be.

POB: With my shield crush pathfinder farming about 3-4 Ex an hour in T16 -> Delve rotations with a 1Ex budget I started to accumulate currency pretty quickly despite the rather casual play. It was now time for me to pick a scaling build that would allow me to clear all content and allow me to complete the league challenges solo. Having seen the new ascendancy jewels I really wanted to try fitting in Masterful Form on a Champion or Gladiator just because I've always loved the concept of charge stacking even from closed be