Infernal Arm Chthonic Keys Required Stygius, Blade Of The Underworld Starter Weapon (No Keys) Varatha, The Eternal Spear 4 Chthonic Keys Aegis, The Shield Of Chaos 3 Chthonic Keys Coronacht, The Heart-Seeking Bow 1 Chthonic Key Malphon, Twin Fists Of Malphon 8 Chthonic Keys (Unlock Previous Weapons) Exagryph, The Adamant Rail 8 Chthonic Keys (& Unlock All Other Weapons) Attacks Fire, Dash Attack, Reload, Bombard, Beam Attack (Aspect of Lucifer), Hellfire (Aspect of Lucifer) Aspects Zagreus (Bonus Max Ammo), Eris (Bonus Damage), Hestia (Empowered Shot Damage), Lucifer (Hellfire Blast Damage) Upgrades Flurry Fire, Ricochet Fire, Spread Fire, Explosive Fire, Delta Chamber, Piercing Fire, Triple Bomb, Rocket Bomb, Targeting System, Hazard Bomb, Cluster Bomb, Seeking Fire, Concentrated Beam,…