[PoE 3.20] DD Ignite Elementalist build guide | Most cost efficient build ever

Character Level 98 Elementalist Bandit: Kill all
Pools 4,702 Energy Shield 1,244 Mana
Defences 40,623 Armour 132,499 effective HP
Resistances 75% Fire 80% Cold 76% Lightning -49% Chaos
Weapon 1 Double dot multi Void Sceptre
Weapon 2 Aegis Aurora Champion Kite Shield
Helmet Viridi's Veil Praetor Crown
Body Armour Incandescent Heart Saintly Chainmail
Gloves Dragon Touch Sorcerer Gloves
Boots Corpsewalker Carnal Boots
Amulet The Eternal Struggle Onyx Amulet
Ring 1 Polaric Devastation Opal Ring
Ring 2 Elreon's Opal Ring of the Hunt
Belt Energy Shield Belt Crystal Belt
Flask 1 Masochist's Basalt Flask of the Armadillo
Flask 2 Masochist's Granite Flask of the Skink
Flask 3 Cinderswallow Urn Silver Flask
Flask 4 Masochist's Quicksilver Flask of the Cheetah
Flask 5 Masochist's Quartz Flask
Entropy Heart Medium Cluster Jewel
Forbidden Flame Crimson Jewel
Forbidden Flesh Cobalt Jewel
Soul Vessel Large Cluster Jewel
Soul Vessel Large Cluster Jewel
Fulgent Prism Small Cluster Jewel
Fulgent Glimmer Small Cluster Jewel
Thread of Hope Crimson Jewel
Watcher's Eye Prismatic Jewel
Lethal Pride Timeless Jewel
Empyrean Essence Medium Cluster Jewel
Vaal Detonate Dead 20/20 Awakened Burning Damage 5/20 Awakened Deadly Ailments 5/20 Inspiration 20/20 Awakened Unbound Ailments 5/20 Combustion 20/20
Flame Dash 20/20 Shield Charge 20/20 Faster Attacks 20/20
Flammability 20/20 Awakened Hextouch 5/20 Vortex 20/20
Helmet Malevolence 20/20 Determination 20/20 Vaal Discipline 20/20 Enlighten 3/20
Tempest Shield 20/20 Purity of Elements 20/20 Defiance Banner 20/20 Enlighten 3/20
Frost Shield 20/20 Void Sphere 20/20 Cast when Damage Taken 2/20 Molten Shell 11/20
Corpsewalker Corpse Walk 20
Dragon Touch Commandment of Ire 1
Elreon's Opal Ring of the Hunt Elemental Weakness 1