How to Get the Corrupted Sword in Megabonk

By Daniel Hidalgo | 2025-10-09 08:01:40
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The Corrupted Sword stands as one of Megabonk's most coveted and powerful end-game weapons. Known for its high-risk, high-reward playstyle, acquiring it is a formidable challenge that requires a precise strategy. This comprehensive guide will walk you through the entire process, from unlocking the prerequisite Cursed Tome to efficiently leveling it up against the clock.

Why Pursue the Corrupted Sword?

Before embarking on this difficult quest, it's important to know what you're fighting for. The Corrupted Sword is a unique melee weapon that delivers a slicing attack both in front of and behind your character. Its most defining trait is its scaling damage: the lower your current health, the more devastating its blows become. This makes it an ideal weapon for skilled players who can manage their health precisely for maximum damage output.

Phase 1: Unlocking the Cursed Tome

The first major hurdle on the path to the Corrupted Sword is obtaining the Cursed Tome, a prerequisite item that is not available from the start.The Objective: Defeat a Stage Boss within the first five minutes of a run.This challenge tests your speed, power, and a bit of luck. The boss's location on the map is random, meaning you could spawn right next to it or on the far opposite side.Pro Tips for Success:
  • Choose a Speedster: Select a character with high innate mobility, such as Tony McZoom or Calcium, to traverse the map quickly and mitigate bad spawn luck.
  • Prioritize Movement: If you prefer a stronger character, focus on grabbing the Agility Tome or any movement-speed upgrades early in the run to boost your exploration speed.
  • Focus on Early Power: Your initial weapon and tome choices should prioritize raw damage to ensure you can burn the boss down quickly once you find it.
Upon successfully defeating a Stage Boss under five minutes, the Cursed Tome will become available for permanent purchase in your Unlocks menu.
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Phase 2: The Real Challenge - Leveling the Cursed Tome to 20

Simply having the Cursed Tome is not enough. The core requirement forunlocking the Corrupted Sword is to get the Cursed Tome to Level 20within the first 10 minutes of a single run. This is a demanding featfor two reasons: the Tome's rarity and its dangerous mechanic.

The Cursed Tome actively increases the game's difficulty with each levelup. Your task is to balance surviving this escalating threat whileforcing the Tome to appear as frequently as possible for upgrades.

Advanced Strategies for Efficient Leveling

Here are the key strategies to manipulate the game's systems in your favor and achieve Level 20 in time.

1. Curate Your Upgrade Pool with the Toggler
The single most important preparation is to use the Toggler shop upgrade.This allows you to disable any weapons, tomes, and items you do not need for this specific run. By drastically reducing the number of items inthe loot pool, you significantly increase the probability of the CursedTome appearing both as an initial choice and as a subsequent upgrade.

2. Invest in Meta-Upgrades: Banish, Skip, and Refresh
Farm Silver to purchase these crucial shop upgrades. They grant you unparalleled control during a run:

  • Refresh: Allows you to re-roll the selection of upgrades offered after leveling up, giving you another chance to find the Cursed Tome.
  • Skip: Lets you forego choosing an upgrade entirely, preventing you from being forced into an unwanted pick.
  • Banish: Removes a specific offered item from the current run's rotation, further narrowing the pool for future level-ups.

3. Lock In Your Loadout Quickly
As soon as you find the Cursed Tome, your next goal is to fill yourremaining weapon and tome slots with your preferred choices. Once allslots are filled, the upgrade selection screen will stop offering newitems and will only provide level-ups for your current loadout. This isthe most reliable way to ensure the Cursed Tome appears consistently for upgrades.

4. Refund Extra Inventory Slots
Consider refunding any purchased additional weapon or tome slots at the shopbefore your attempt. Starting with only the default two weapon and twotome slots makes it much faster to "lock in" your loadout. Furthermore,with fewer total items equipped, the Cursed Tome has a much higherstatistical chance of appearing as an upgrade option.

5. Manage Difficulty Through Rarity
Pay close attention to the rarity of the Cursed Tome when it appears as anupgrade. A higher rarity (e.g., Rare, Epic) will increase the game'sdifficulty by a larger margin. If you see a high-rarity Cursed Tomeupgrade, it can be wiser to instead level up your primary weapon tomaintain your combat effectiveness and survive the growing threat. Let a Common-level upgrade pass to progress more safely.

6. Avoid Additional Difficulty Spikes
Steer clear of Greed Shrines and the Skuleg item, as they also increase thegame's difficulty. You can permanently disable the Skuleg item via theToggler to remove this risk entirely.

By meticulously preparing your loadout and mastering these in-gametactics, you can conquer this ultimate Megabonk challenge and claim thedevastating power of the Corrupted Sword.

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