ERR0R NULL

Type	Summoning
Tooltip	ACTIVATES THE GR0UND ZER0 CODE F0R THE NEAREST ZER0 UNIT; N0N-C0NSUMABLE
Rarity
Sell	No value

Expert Mode-Only Content: This information (or parts of it) applies only to Expert mode and Expert mode worlds.

ERR0R_NULL is a post-Ancients summoning item that is dropped from Zero Protocol after defeated. When used, it summons Zero Protocol, with triggering a special quote.

v · d · e

Consumables:

Potions (

Buff Potions ) •

Thrown Weapons

Ammunition •

Materials (

Drops •

Ores and

Bars ) •

Miscellaneous

Potions
Buff	Carrot • Flask of Dragonfire • Flask of Hydratoxin • Lucky Calming Potion • Lucky Endurance Potion • Lucky Ironskin Potion • Lucky Lifeforce Potion • Lucky Rage Potion • Lucky Regeneration Potion • Lucky Summoning Potion • Lucky Swiftness Potion • Lucky Thorns Potion • Lucky Wrath Potion • Ronin Potion
Health/Mana	Grand Healing Potion • Grand Mana Potion • The Big One

Thrown Weapons
Ranged	Madness Knife • Murky Gel • Burning Gel • Hydra Fang • Dragon's Spine • Winterbreak • Fireball • Snowflake Shuriken • Sandagger • Incapacitator • Spooky Knife • Darkmatter Kunai

Ammunition
Arrows	Dragon • Dragonfire • Hydratoxin • Reaper • Chaos • Terra • Radium • Darkmatter • Eventide • Daybreak • Singularity
Bullets	Dragonfire • Hydratoxin • Eventide • Daybreak • Unstable Power Cell
Solutions	Lime • Indigo • Swarm • Order • Orange • Deep Green • Yellow • Brown • Black • White
Other	Dragonfire Dart • Hydratoxin Dart

Materials
Herbs	Solar Mushroom • Lunar Mushroom • Red Alchemical Mushroom • Orange Alchemical Mushroom • Yellow Alchemical Mushroom • Green Alchemical Mushroom • Blue Alchemical Mushroom • Purple Alchemical Mushroom • Pink Alchemical Mushroom • Gray Alchemical Mushroom • Brown Alchemical Mushroom • Rainbow Mushroom

Drops
Enemies	Madness Fragment • Dragon Claw • Hydra Claw • Dragon Scale • Mire Pod • Terra Shard • Doomite Scrap • Vulture Feather • Devil Silk • M79 Parts • Snow Mana • Desert Mana • Dragon Spirit • Soul of Smite • Soul of Spite • Bogtoxin • Dragon's Fire • Pure Evil • Shiny Charm • Chaos Prism • Terra Prism • Searing Spark • Terror Soul
Boss	Scorched Scale • Hydra Hide • Doomite Bar • Forsaken Fragment • Plantera Petal • Rabbit Pelt • Goddess Feather • Stone Shell • Soul Fragment • Storm Sphere • Radiant Photon • Dark Energy • Crucible Scale • Dread Scale • Unstable Singularity • Chaos Scale • Chaos Soul • Champion Plate

Ores and Bars
Ores	Mushium • Glowing Mushium • Abyssium • Incinerite • Prism • Viking Relic • Dynaskull Fossil • Hallowed • Sky Crystal • Covetite Ore • Radium • Darkmatter • Daybreak Incinerite • Eventide Abyssium • Apocalyptite
Bars	Mushium • Glowing Mushium • Abyssium • Incinerite • Relic Bar • Radiant Incinerite • Deep Abyssium • Covetite Bar • Radium • Dark Matter • Daybreak Incinerite • Eventide Abyssium • Apocalyptite • Discordium

Miscellaneous
Summoning	Intimidating Looking Mushroom • Confusing Looking Mushroom • Curious Looking Claw • Interesting Looking Claw • Hydra Chow • Ancient Bell • Toadstool • Cursed Skull • Subzero Crystal • Desert Lamp • Lifescanner • Key of Spite • Key of Smite • Ra's Scepter • Jungle Orchid • Owl Statue • Golden Grub • Ten Karat Carrot • Equinox Worm • Flames of Anarchy • Dread Moon Sigil • Draconian Sun Sigil • Doomsday Tesseract • Draconian Sun Rune • Dread Moon Rune • ERR0R_NULL • Chaos Sigil • Chaos Rune • Ten Carat Carrot
Grab Bags	Angry Revenant's Sarcophagus • Ashe's Satchel • Charged Shock Bag • Dark Dragon's Bag • Daughter of the Void's Bag • Desert Crate • DJ Duck's Bag • Galactic Geode • Haruka's Lockbox • Fez Lord's Bag • Grovite Sea Chest • Hell Crate • Ice Crate • Inferno Crate • Lunar Insect's Bag • Magician's Top Hat • Mask Bag • Mire Crate • Mire Maniac's Cardboard Box • Mud Fish's Bag • Old Magician's Top Hat • Pristine Bag • Pup Cerberus' Kennel • Reaper's Bag • Six-Star Operator Bag • Squirrelly Top Hat • Surprise Egg • Tails' Toolbox • Thunder Lord's Bag • Treasure Bags • Void Crate • Void Gate • Weird Horse Bag • Wet Furrbag
Fishing	Dracokarp • Fishmother • Glitch Fish • Shiny Charm Fish • Swamp Koi • Tri-headed Koi
Other	Legendary Soul • Unreal Soul • Mythical Soul • Godly Soul • Blood Rune • Goblin Soul • Pirate's Booty • Monster Soul • Halloween Treat • Christmas Cheer • Martian Credit • Ancient Coin • Sunpowder • Moonpowder • Doomstopper Chip • Inferno Key • Mire Key • Rift Mirror • Mooncaller • Suncaller • Timecaller • The Life and Epic Adventures of Anubis the Wonder Dog!
Other	Flasks	Purity • Shadow • Blood • Darkwater • Ash Jar • Fungicide • Jungle • Spore Bag • Glowing Spore Sack • Void • Ice • Icemelt • Forest • Crystal • Order

Dropped by
Entity	Quantity	Rate
Zero Protocol	1	100%

ERR0R NULL

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