Welcome to our new Flammability Chieftain Build guide in PoE 3.23. Have you been longing for a build that combines bossing prowess with explosive mapping? You have hit the nail on the head! This guide will take you through the nitty-gritties of coming up with a build that is not only fun but also tremendously effective in all facets of the game. 

• Build Overview
• Mapping and Bossing Strategy
• Survivability and Tankiness
• Crafting and Gear Optimization
• Build Flexibility
• Passive Tree and Ascendancy
• Jewels and Flasks
• Final Thoughts and Tips
• Conclusion

↖ Build Overview

• Widowhail and Scorpion's Call for AOE and ignites.
• Body Hop Sacrifice Tech with dark marionette minions for massive fire damage.
• Adorn Jewel, Minion Life Stacking: Getting Huge Ignites

↖ Mapping and Bossing Strategy

• Explosive mapping through proliferation chains over maps.
• Barracks of fight ring for spreading ignites and clearing maps efficiently.
• Strong single-target capabilities for bossing.

↖ Survivability and Tankiness

• Enhanced tankiness by spell suppression cap and overr.
• Gear strategy maximum resistances including chaos resistance.
• Using Mage Blood to balance resistance.

↖ Crafting and Gear Optimization

• Fossil crafting for optimal gear setup.
• Prefixes rerolled using Eldritch currency.
• Magic find options available such as Paras or Ventur rings.

↖ Build Flexibility

• Manual casting or using Cast While Channeling options provided.
• Pin Mark or Mau Mischief offer alternatives to this build.
• Weapon swap strategies when dealing with tanky rares

↖ Passive Tree and Ascendancy

• Fire damage, area of effect, survivability focus
• Strength, Fire Damage Boosts: Natural Instinct
• Balancing Elemental Overload, ignite damage nodes

↖ Jewels and Flasks

• Increase effect of other gems: Adorn Crimson Jewel Usage.
• Life Recovery and Rarity Added: Cinder SW Flask.
• Added Tankiness: Blood Doch Jewel Stun Recovery.

↖ Final Thoughts and Tips

• Build is highly flexible as it may be played on various gear levels.
• For the map lover that is also a boss killer at the same time.
• Upgrade your gear slowly for better performance.

PoB Link: https://pobb.in/YIofwK4BQ4Ao

↖ Conclusion

This PoE 3.23 Flammability Chieftain Build offers an explosive AOE damage experience alongside powerful single target damage. This build has a focus on ignites, minions and synergies with them which provides an engaging approach to PoE gameplay. 

By examining possible gear customizations, optimized passive tree, and choosing ascendancy properly, players can adjust the build according to their specific preferences and individual goals.