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Mercurial Magnum
Cost		6,400
Tier		4
+20% Max Ammo
+7 Spirit Power
Passive			10s
Your imbued ability charges up over time with bonus spirit damage, bonus fire rate, and bonus bullets on use. Until your next reload, your bullets deal bonus Spirit Damage based on your Spirit Power.
Upgrades From: Quicksilver Reload
Internal name: upgrade_ethereal_bullets

Mercurial Magnum is a Tier 4 Spirit Item.

Update history

Main article: Update history

View the full update history: Mercurial Magnum/Update history

Update	Changes
May 22, 2026	Base Bullet Damage spirit scaling increased from 0.465 to 0.49.
February 12, 2026	Now procs on non-spirit ability sources.
January 30, 2026	Bonus damage now has spirit scaling (0.16). Fire Rate reduced from 25% to 22%.

Items

Weapon

 800

Close Quarters • Extended Magazine • Headshot Booster • High-Velocity Rounds • Monster Rounds • Rapid Rounds • Restorative Shot

 1600

Active Reload • Fleetfoot • Intensifying Magazine • Kinetic Dash • Long Range • Melee Charge • Mystic Shot • Opening Rounds • Recharging Rush • Slowing Bullets • Spirit Shredder Bullets • Split Shot • Stalker • Swift Striker • Titanic Magazine • Weakening Headshot

 3200

Alchemical Fire • Ballistic Enchantment • Berserker • Blood Tribute • Burst Fire • Cultist Sacrifice • Escalating Resilience • Express Shot • Headhunter • Heroic Aura • Hollow Point • Hunter's Aura • Point Blank • Shadow Weave • Sharpshooter • Spirit Rend • Tesla Bullets • Toxic Bullets • Weighted Shots

 6400

Armor Piercing Rounds • Capacitor • Crippling Headshot • Crushing Fists • Frenzy • Glass Cannon • Lucky Shot • Ricochet • Silencer • Spellslinger • Spiritual Overflow

Legendary

Haunting Shot • Infinite Rounds • Runed Gauntlets

Vitality

 800

Extra Health • Extra Regen • Extra Stamina • Grit • Healing Rite • Melee Lifesteal • Rebuttal • Sprint Boots

 1600

Battle Vest • Bullet Lifesteal • Debuff Reducer • Enchanter's Emblem • Enduring Speed • Guardian Ward • Healbane • Healing Booster • Reactive Barrier • Restorative Locket • Return Fire • Spirit Lifesteal • Spirit Shielding • Trophy Collector • Weapon Shielding

 3200

Bullet Resilience • Counterspell • Dispel Magic • Fortitude • Fury Trance • Healing Nova • Lifestrike • Majestic Leap • Metal Skin • Rescue Beam • Spirit Resilience • Stamina Mastery • Veil Walker • Warp Stone

 6400

Cheat Death • Colossus • Divine Barrier • Diviner's Kevlar • Healing Tempo • Indomitable • Infuser • Inhibitor • Juggernaut • Leech • Phantom Strike • Plated Armor • Siphon Bullets • Spellbreaker • Unstoppable • Vampiric Burst • Witchmail

Legendary

Celestial Blessing • Cloak of Opportunity • Electric Slippers • Eternal Gift • Nullification Burst • Seraphim Wings • Shadow Strike

Spirit

 800

Extra Charge • Extra Spirit • Golden Goose Egg • Mystic Burst • Mystic Expansion • Mystic Regeneration • Rusted Barrel • Spirit Strike

 1600

Arcane Surge • Bullet Resist Shredder • Cold Front • Compress Cooldown • Duration Extender • Improved Spirit • Mystic Slow • Mystic Vulnerability • Quicksilver Reload • Slowing Hex • Spirit Sap • Suppressor

 3200

Decay • Disarming Hex • Greater Expansion • Knockdown • Radiant Regeneration • Rapid Recharge • Silence Wave • Spirit Snatch • Superior Cooldown • Superior Duration • Surge of Power • Tankbuster • Torment Pulse

 6400

Arctic Blast • Boundless Spirit • Cursed Relic • Echo Shard • Escalating Exposure • Ethereal Shift • Focus Lens • Lightning Scroll • Magic Carpet • Mercurial Magnum • Mystic Reverb • Refresher • Scourge • Spirit Burn • Transcendent Cooldown • Vortex Web

Legendary

Frostbite Charm • Mystic Conduit • Mystical Piano • Omnicharge Signet • Prism Blast • Shrink Ray • Unstable Concoction