PoE Champion, Melee, Heist builds

hi everyone, recently the youtube algorithm decided to start showing me videos from the harvest/heist era and among them were zizaran's ground slam and alkaizer's earthshatter build, both champions using impale, and I know what you're thinking "slams are dead, seismic cry was pretty much removed from the game, impaler keystone was also nuked" but after some time on pob and comparing it with those builds, that doesnt seem to be the case especially because of the recently added echoes of creation helmet, which pretty much brings back pre nerf seismic cry effect more or less. would love to h

The idea of this build is simple: Use the reworked Chainbreaker, combined with flat mana regeneration and %increased mana regen to sustain not only blade vortex, but also have high-uptime on berserk. Edit: Forgot to mention: I have verified that your mana regeneration is not nullified while you have blood magic, and still scales with %increases to mana regeneration rate according to the character sheet. There are technically 3 options here. The Champion, Berserker with Pride, or Berserker with Determination. Pride berserker is the highest dps, champion is middle ground, and Determination