I've been tinkering with the new Bodyswap of Sacrifice. Still need upgrades here and there but the mapping is very smooth. Single target speed depends if you can proc Hinekora explosion.

Increased Area of Effect

RF Chieftain-Explody+Gigatanky

Righteous Fire

AFK Simulacrum Chieftain

Firestorm

Corpse Explosion Autobomber - Ignite Proliferation Chieftain forum build guide

[Path of Exile 3.22 Ancestor League] Ghosting and Magic Finding Explained - Chieftain Autobomber

Corpse Explosion Autobomber - Ignite Proliferation Chieftain - T16 80% delirious showcase

POE 3.22 Immortal Cheftain spellblade/ fortify/ berserk/ Autobomber best juice mapper i've ever made

Vitality

Beefy Chief Autobomber MF showcase

Fire Trap

3.22 RF Chieftain mapping showcase

Righteous Fire

Self-cast Purifying Flame Chieftain with Lightning Warp.

Purifying Flame