Megabonk Items Guide — Effects, Unlocks & Best Synergies

Last updated: October 8, 2025. Includes how items work, rarity tiers, curated picks, and synergy tips.

Total Items

Default Pool

Unlockable

Overview

Items are run-long passive power-ups with unique effects and triggers. The current version features 77 items in total; 35 are available by default and the rest must be unlocked (then purchased with Silver in the Unlocks tab) to enter the future loot pool.

Numbers and availability can change with patches—always confirm in-game.

Complete Items Database

All 78 items with effects, unlock conditions, and synergies

Default Common Rare Epic Legendary

Moldy Cheese

Default

Effect:

+40% chance to poison enemies on hit.

Borgar

Default

Effect:

+2% chance to spawn a healing Borgar upon killing an enemy.

Synergies:

Strong with high-kill-per-second builds.

Wrench

Default

Effect:

Shrines charge 4s faster and give +7.5% shrine rewards.

Synergies:

Core for Charge Shrine–focused routes.

Clover

Default

Effect:

+7.5% Luck.

Synergies:

Improves higher rarity rolls from level-ups and chests.

Time Bracelet

Default

Effect:

+8% XP Gain.

Synergies:

Excellent early for faster leveling.

Slippery Ring

Default

Effect:

+15% Evasion.

Synergies:

Diminishing returns as base evasion increases.

Credit Card (Green)

Default

Effect:

Permanently gain +2% Luck when opening a chest.

Credit Card (Red)

Default

Effect:

Permanently gain +2.5% Damage when opening a chest.

Golden Glove

Default

Effect:

+15% more gold from killing enemies.

Synergies:

Speeds up in-run shopping and shrine usage.

Power Gloves

Default

Effect:

8% chance to create a giant blast on hit.

Gym Sauce

Default

Effect:

+10% Damage.

Oats

Default

Effect:

+25 Max HP.

Medkit

Default

Effect:

+45 HP Regen (≈0.75 HP/sec).

Synergies:

Constant passive sustain.

Ice Cube

Default

Effect:

20% chance to inflict ice damage on hit; ice can now freeze.

Synergies:

Great crowd control vs fast mobs.

Beer

Default

Effect:

+20% Damage; -5% Max HP.

Big Bonk

Default

Effect:

2% chance to BONK an enemy for 20× damage.

Campfire

Default

Effect:

Standing still heals you.

Cowards Cloak

Default

Effect:

Boosts Move Speed when hit; +5% base Move Speed.

Electric Plug

Default

Effect:

On taking damage, emit an electric shock.

Feathers

Default

Effect:

Jump higher and farther.

Golden Shield

Default

Effect:

Gain gold when taking damage.

Mirror

Default

Effect:

Reflect all incoming damage and grant brief invulnerability.

Overpowered Lamp

Default

Effect:

+1 proc chance on on-hit effects.

Synergies:

Amplifies on-hit builds.

Scarf

Default

Effect:

+33% Damage while airborne.

Spiky Shield

Default

Effect:

+2 Thorns per 1% Armor and +10% Armor.

Spicy Meatball

Default

Effect:

25% chance for attacks to explode, dealing 65% AoE damage.

Thunder Mitts

Default

Effect:

On hit, generate a lightning strike (10s cooldown).

Slurp Gloves

Default

Effect:

Cast blood magic on hit; heals 7.5% with an AoE burst (9s cooldown).

Battery

Common

Effect:

+8% Attack Speed.

Unlock:

Upgrade Cooldown Tome to Level 5.

Boss Buster

Common

Effect:

+15% damage to Elites and Bosses.

Unlock:

Defeat a Stage Boss in under 30 seconds.

Cursed Doll

Common

Effect:

Curse enemies, dealing 30% of their Max HP as damage per second.

Unlock:

Die 10 times.

Forbidden Juice

Common

Effect:

+10% Crit Chance.

Unlock:

Crit 100 times in a single run.

Key

Common

Effect:

+10% chance to open chests for free.

Unlock:

Purchase items from 25 chests.

Tactical Glasses

Common

Effect:

+20% damage to enemies above 90% HP.

Unlock:

Defeat a Miniboss in under 25 seconds.

Turbo Socks

Common

Effect:

+15% Movement Speed.

Unlock:

Upgrade Agility Tome to Level 5.

Cactus

Common

Effect:

Shoot spikes when taking damage; scales with Thorns.

Unlock:

Kill 100 cactus enemies with Thorns damage.

Ghost

Common

Effect:

Summon ghosts using an interactable.

Unlock:

Survive the Final Swarm for 60 seconds.

Ice Crystal

Common

Effect:

7.5% freeze chance; executes enemies at threshold HP.

Unlock:

Get 50 kills with the Frostwalker weapon.

Skuleg

Common

Effect:

+7% Difficulty.

Unlock:

Reach a total of 40% Difficulty in a single run.

Brass Knuckles

Rare

Effect:

+20% damage to nearby enemies.

Unlock:

Kill 5,000 enemies with the Sword.

Demonic Blade

Rare

Effect:

Critical hits have a +25% chance to heal you.

Unlock:

Heal for 350 HP using Lifesteal.

Demonic Blood

Rare

Effect:

+9 Max HP, plus bonus Armor and Thorns.

Unlock:

Increase your Max HP with Blood Magic 400 times.

Echo Shard

Rare

Effect:

+12% chance to spawn a bonus XP Shard on kill.

Unlock:

Upgrade XP Tome to Level 8.

Golden Sneakers

Rare

Effect:

Earn money by moving.

Unlock:

Break 150 pots.

Moldy Gloves

Rare

Effect:

Create a moldy poison cloud on hit.

Unlock:

Use a Microwave to duplicate Moldy Cheese 3× in a row.

Idle Juice

Rare

Effect:

Damage ramps up to +100% while standing still.

Unlock:

Kill 500 enemies while standing still.

Leeching Crystal

Rare

Effect:

+50% Max HP; -50% HP Regen.

Unlock:

Upgrade Regen Tome to Level 8.

Kevin

Rare

Effect:

25% chance to punch you on hit (cannot kill you); triggers on-hit effects.

Unlock:

Obtain 3 Leeching Crystal items in one run.

Backpack

Rare

Effect:

+1 Projectile Count for all weapons.

Unlock:

Unlocked by default; classified as Rare.

Beacon

Rare

Effect:

Charging a Charge Shrine creates a healing zone and spawns +2 extra Shrines in future stages.

Unlock:

Unlocked by default; classified as Rare.

Phantom Shroud

Rare

Effect:

After evading, next hit deals 2× Damage; brief Attack/Move Speed boost.

Unlock:

Unlocked by default; classified as Rare.

Unstable Transfusion

Rare

Effect:

27% chance to apply Bloodmark on hit.

Unlock:

Unlocked by default; classified as Rare.

Beefy Ring

Rare

Effect:

+20% Damage per 100 Max HP.

Unlock:

Unlocked by default.

Bob (Dead)

Epic

Effect:

For every 14 units moved, summon Bob (dead).

Unlock:

Survive the Final Swarm for 2 minutes.

Demonic Soul

Epic

Effect:

+0.1% Damage per kill (up to 100%).

Unlock:

Reach Level 30 as Calcium.

Eagle Claw

Epic

Effect:

66% Damage vs airborne enemies; 8% chance to launch them into the air.

Unlock:

Kill 10,000 enemies as Birdo.

Gamer Goggles

Epic

Effect:

Increase damage the lower your HP.

Unlock:

Defeat a Stage Boss with <10% HP.

Gas Mask

Epic

Effect:

Gain Armor and Lifesteal for each poisoned enemy.

Unlock:

Kill 5,000 enemies using Amog.

Grandmas Secret Tonic

Epic

Effect:

Crits have a 50% chance to explode, dealing 50% damage.

Unlock:

Kill 3,000 enemies with the Sniper Rifle.

Quins Mask

Epic

Effect:

Thorns damage has a 50% chance to explode.

Unlock:

As Athena, land the killing blow on a Stage Boss with Aegis.

Shattered Knowledge

Epic

Effect:

XP Shards slice through enemies as they travel.

Unlock:

Upgrade Attraction Tome to Level 8.

Slutty Cannon

Epic

Effect:

20% chance to spawn missiles on kill.

Unlock:

Kill 5,000 enemies with the Slutty Rocket.

Toxic Barrel

Epic

Effect:

Release a toxic cloud when hit.

Unlock:

Kill 2,000 enemies using Poison damage.

Turbo Skates

Epic

Effect:

Move Speed converts to Attack Speed (max +40% per stack).

Unlock:

Upgrade both Cooldown and Agility Tomes to Level 5 in the same run.

Cursed Grabbies

Epic

Effect:

+10% Difficulty, 0.8× Max HP, 5% on-hit chance to cast curse.

Unlock:

Get the Cursed Tome to Level 10.

Giant Fork

Legendary

Effect:

Convert critical hits into Megacrits for massive damage.

Unlock:

Unlocked by default.

Chonkplate

Legendary

Effect:

+20% Lifesteal and overheal up to 75% of Max HP.

Unlock:

Reach 500 Max HP.

Dragonfire

Legendary

Effect:

15% chance on hit to summon dragonfire that burns enemies.

Unlock:

Kill 4,000 enemies with fire damage.

Holy Book

Legendary

Effect:

+100 Max HP, +50 HP Regen; healing radiates damaging energy.

Unlock:

Kill the first Stage Boss without taking damage.

Lightning Orb

Legendary

Effect:

25% chance on hit to summon lightning; can stun.

Unlock:

Kill 3,000 enemies with lightning damage.

Speed Boi

Legendary

Effect:

Below 50% HP, slow time and deal 2× Damage.

Unlock:

Complete a stage with at least 2 Boss Curses.

Sucky Magnet

Legendary

Effect:

Periodically pull in all XP Shards.

Unlock:

Complete every Charge Shrine on a map.

Energy Core

Legendary

Effect:

Cooldown reduction and energy regeneration.

Unlock:

Defeat a Final Boss 2 times.

Anvil

Legendary

Effect:

Weapon upgrades can now gain +2 stats.

Unlock:

Complete 3 Challenges.

Soul Harvester

Legendary

Effect:

Killing an enemy summons two homing souls.

Unlock:

Survive the Final Swarm for 6 minutes.

Joes Dagger

Legendary

Effect:

1% chance to Execute; each Execute adds +1% Damage.

Unlock:

Kill 10,000 enemies using the Dexecutioner.

Bloody Cleaver

Legendary

Effect:

Lifesteal now triggers Bloodmark stacks; +50% chance to apply Bloodmark.

Unlock:

Reach Level 50 as Vlad.

Za Warudo

Legendary

Effect:

On fatal damage, freeze time (one use).

Unlock:

Unlocked by default.

How to obtain items

•Treasure chests scattered across maps
•Purchases from the roaming NPC "The Shady Guy"
•Completing specific Quests to unlock new items
•Buying unlocked items on the main-menu Unlocks tab so they appear in future runs

Rarity & drop sense

Items are grouped as Common, Rare, Epic, and Legendary. Higher tiers skew more build-defining and are seen more often with higher Luck and from better chest rolls. Consider investing in Luck-raising picks when hunting specific high-impact items.

Best default items (beginner friendly)

Item	Effect	Why it's good
Moldy Cheese	+40% chance to poison enemies on hit	Core of poison/chain builds; turns every hit into passive DoT pressure.
Backpack	+1 projectile for all weapons	Universal DPS multiplier; great in almost every build.
Clover	+7.5% Luck	Improves high-rarity options from chests/level-ups; smooths your run.
Time Bracelet	+8% XP Gain	Earlier power spikes from faster leveling; pairs with pickup builds.
Slippery Ring	+15% Evasion	Big early survivability bump; especially helpful in learning tiers.
Credit Card (Green)	+2% Luck each time you open a chest (this run)	Snowballs long stages with many chests.
Credit Card (Red)	+2.5% Damage per chest (this run)	Chest-dense routes convert directly into DPS.

Default pool also includes simple stat boosters like Golden Glove (gold), Gym Sauce (damage), Oats (max HP), Medkit (regen), and Ice Cube (freeze/CC).

Unlockable items (by rarity)

Common

Battery

+8% Attack Speed

Unlock: Upgrade Cooldown Tome to Lv5

Forbidden Juice

+10% Crit Chance

Unlock: Crit 100× in one run

Boss Buster

+15% damage to Elites/Bosses

Unlock: Kill a stage boss under 30s

Turbo Socks

+15% Movement Speed

Unlock: Upgrade Agility Tome to Lv5

Ice Crystal

Freeze chance + execute threshold

Unlock: Get 50 kills with Frostwalker

Rare

Brass Knuckles

+20% damage to nearby enemies

Unlock: 5,000 kills with Sword

Demonic Blade

Crits have +25% to heal

Unlock: Heal 350 HP via Lifesteal

Demonic Blood

+0.5 Max HP per kill (cap 200 stacks)

Unlock: Increase Max HP with Blood Magic 400×

Idle Juice

Damage ramps to +100% while standing still

Unlock: 500 kills while stationary

BackpackDefault

+1 projectile for all weapons

Unstable TransfusionDefault

27% to apply Bloodmark (execute threshold)

Epic

Demonic Soul

+0.1% damage per kill (max +100%)

Unlock: Reach Lv30 as Calcium

Gas Mask

Gain Armor & Lifesteal per poisoned enemy

Unlock: 5,000 kills as Amog

Grandma's Secret Tonic

Crits have 50% chance to explode

Unlock: 3,000 kills with Sniper Rifle

Shattered Knowledge

XP shards slice through enemies toward you

Unlock: Upgrade Attraction Tome to Lv8

Toxic Barrel

Wave of poison when taking damage

Unlock: 2,000 poison kills

Turbo Skates

Gain Attack Speed from Movement Speed (cap +40%/stack)

Unlock: Level both Cooldown & Agility Tomes to Lv5 in one run

Legendary

Giant ForkDefault

Converts crits into Megacrits for massive damage

Chonkplate

+20% Lifesteal; overheal becomes shield (to 75% Max HP)

Unlock: Get Max HP to 500

Lightning Orb

25% on-hit lightning with stun potential

Unlock: 3,000 lightning kills

Sucky Magnet

Periodically pulls all XP on screen

Unlock: Complete every Charge Shrine on the map

Joe's Dagger

1% execute; each execute gives +1% damage (this run)

Unlock: 10,000 kills with Dexecutioner

Bloody Cleaver

Lifesteal also builds Bloodmark stacks (50% to apply)

Unlock: Reach Lv50 as Vlad

Energy Core

Effect not fully confirmed by community

Unlock: Unknown

Lists above are curated highlights, not the full catalog.

Tome synergies that matter

•
The "Big Five": Quantity / Attack Speed / Cooldown / Duration / Area — universal wave-clear multipliers.
•
Precision Tome: Go past 100% crit chance to enable Overcrit; pairs with Giant Fork and crit-explosion picks.
•
Attraction + XP: With Sucky Magnet and Shattered Knowledge, XP collection also becomes damage.
•
Thorns Tome: Enables reactive/explosive thorns chains when combined with Cactus or Quin's Mask.

Quick picks by archetype

Crit Shooter

CL4NKBushRobinette

CorePrecision Tome → Giant Fork → Grandma's Secret Tonic → Forbidden Juice; add projectiles & pierce for crowd control.

Poison Chain

AmogCheese starts

CoreMoldy Cheese → Gas Mask → Toxic Barrel/Moldy Gloves; scale Duration/Area + grouping.

Lifesteal Brawler

Vladmelee

CoreChonkplate → Demonic Blade → Bloody Cleaver; stack HP/Armor and high hit frequency.

Speed Engine

CalciumTonyNinja

CoreTurbo Socks → Turbo Skates → Battery; build around Agility + Cooldown; Backpack for coverage.