This build was inspired by Palsteron's KBoC build. You can find his guide here:

Palsteron's YT Guide

Comparison to Palsteron's build:

Pros

• Much tankier: 17k ES, 90% all res, 23k armor, CI, ailment and stun immune

• Approximately twice as much single target damage (not counting HH buffs)

• No Indigon/Arcane cloak jank

• Unconditional damage, defenses and movespeed (Mageblood)

Cons

• Just as expensive, I spent a bit over 1 mirror

• Less AOE, no explode means less clear

• Need to self craft some rares (wands mostly)

• No HH buffs

POB

https://pobb.in/VROWuznHK_ms

Details

I wanted a tankier, more well-rounded version of Palsteron's build without the Indigon jank. Having played a few of Conner's Indigon builds, I was not a fan of conditional damage and tankiness.

I started from my Power Siphon of the Archmage Miner build and crafted two wands and new gloves. Power Siphon POB if anyone is interested: https://pobb.in/VNJ-r0a7Qh88

Since Kinetic Blast of Clustering scales off of max mana, not max unreserved mana, we can just reserve all our mana with defensive auras and not worry about balancing mana spend and recovery. We replace the unreliable spell damage from Indigon with spell damage on wand and Tranquility anoint. Doryani's Prototype with a rare Kalandra ring gives us a massive DPS increase and can ignore enemy resists. Using Doryani's means we can only deal lightning damage, all our physical damage must be converted to lightning and we can only stack phys as extra lightning.

I scale defenses with multiple sources of max mana as extra ES (Hiero node, Watcher's mod, Mindspiral, Radiant Faith FF jewels). I stack some Intelligence for more mana/es.

This build plays very well. Fast, tanky, decent single target even in open arena bosses. The inherent clear of KBoC is so high that you don't need much aoe/explode. The clear is still amazing.

I learned alot about how to use the new recombinators crafting my wands. I wasted alot of divines doing suboptimal things until I figured out the best method. The wands are alot cheaper to craft compared to Palsteron's build. I'll post the crafting method in the comments if anyone is interested.

This build is more of an all-rounder compared to Palsteron's build, which is more of a pure mapper. It's also more cost efficient compared to the Int stack Trickster version of KBoC. Int stack trickster can be scaled further with multiple mirror items available.

Final Thoughts

This league, Doryani's Prototype is strong. Kalandra jewelry is strong. Haunted runesmith is strong. Mana stack Hiero is strong. This build utilizes all of them. You could also sacrifice half of your damage and fit in Svallin for ridiculous tankiness.

I had fun putting together this last build of the league. Wanted to share with everyone. See you all in POE2!