How to effectively "Shotgun" by abusing certain mechanics in game! ft. Fireball / Blazing Salvo 3.13

Character Level 100 Elementalist Bandit: Kill all
Pools 3,620 Life 2,333 Energy Shield 1,410 Mana
Defences 1,775 Evasion
Resistances 75% Fire 75% Cold 75% Lightning -48% Chaos
Weapon 1 Void Battery Prophecy Wand
Weapon 2 Void Battery Prophecy Wand
Helmet The Three Dragons Golden Mask
Body Armour Carcass Jack Varnished Coat
Gloves Asenath's Gentle Touch Silk Gloves
Boots Replica Inya's Epiphany Arcanist Slippers
Amulet Aul's Uprising Onyx Amulet
Ring 1 Le Heup of All Iron Ring
Ring 2 The Taming Prismatic Ring
Belt Replica Soul Tether Cloth Belt
Flask 1 Enduring Eternal Mana Flask of Quickening
Flask 2 Cinderswallow Urn Silver Flask
Flask 3 The Wise Oak Bismuth Flask
Flask 4 Dying Sun Ruby Flask
Flask 5 Bottled Faith Sulphur Flask
Rolling Flames Cobalt Jewel
Phoenix Ruin Medium Cluster Jewel
Plague Essence Large Cluster Jewel
Thread of Hope Crimson Jewel
Watcher's Eye Prismatic Jewel
Lethal Pride Timeless Jewel
Carrion Essence Medium Cluster Jewel
Body Armour Vaal Fireball 21/23 Awakened Spell Echo 5/20 Power Charge On Critical 21/20 Awakened Greater Multiple Projectiles 5/20 Inspiration 21/20 Concentrated Effect 21/20
Boots Anger 21 Herald of Ash 21/20 Vaal Discipline 21 Enlighten 4/20
Weapon 1 Summon Lightning Golem 20/20 Berserk 18/20 Enhance 4
Helmet Lightning Warp 21/23 Awakened Swift Affliction 1 Faster Casting 21/20 Less Duration 21/20
Weapon 2 Zealotry 20/20 Flame Wall 21 Vaal Righteous Fire 21
Gloves Hydrosphere 14/20 Awakened Hextouch 5/20 Elemental Weakness 21/20 Arcane Surge 5/20