
Mushroom XIII is a group of enemies exclusive to Kingdom Hearts II Final Mix. They are friendly Heartless that appear after completing a world, each representing a member of Organization XIII. Defeating all 13 mushrooms is necessary for unlocking Sora's golden crown and obtaining the Winner's Proof keyblade and Proof of Peace. Each mushroom presents a unique challenge, often involving defeating it within a certain time limit or deflecting a specified number of projectiles. Players must employ specific strategies, equipment, and abilities to overcome these challenges. The mushrooms can be found in various locations, such as Memory's Skyscraper, Christmas Tree Plaza, and the Palace Gates.
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What You'll Learn

Defeating Mushroom 13 in Kingdom Hearts 2
Mushroom XIII is a group of enemies exclusive to Kingdom Hearts II Final Mix. They are Emblem Heartless that must be satisfied through mini-games rather than combat encounters. Each mushroom drops Tranquility Shards, Stones, Gems, and Crystals, as well as unique weapons for Goofy and Donald Duck. Defeating all twelve mushrooms will cause Mushroom XIII to appear and reward you with the Winner's Proof keyblade and the Proof of Peace. Here is a guide to defeating each of the mushrooms:
Mushroom I
Location: Memory's Skyscraper, The World That Never Was
Objective: Land 70 hits within 30 seconds
Strategy: This mushroom has the Reversal option, similar to Xemnas, and doesn't like being hit by combos. You can use either Wisdom or Final Form, but keep your combos short and use Negative Combos.
Mushroom II
Location: Christmas Tree Plaza, Halloweentown
Objective: Block 80 points worth of projectile attacks
Strategy: Use Reflega to block and deflect the mushroom's energy bolts. Have some Ether or Elixirs ready if you run out of MP.
Mushroom III
Location: Bridge, Beast's Castle
Objective: Collect 450 orbs
Strategy: Equip Follow the Wind (keyblade), Draw x2 (ability), and Draw Ring (accessory) to make it easier to collect the orbs. Use Quick Run or Glide to keep up with the mushroom.
Mushroom IV
Location: Palace Gates, The Land of Dragons
Objective: Defeat 85 mushrooms without getting hit
Strategy: Shoot the mushrooms while in Wisdom Form, moving at all times to avoid getting hit. The mushrooms get tougher as your kill count rises, so it will take more hits to defeat them.
Mushroom V
Location: Cave of Wonders Treasure Room, Agrabah
Objective: Complete the challenge within 10 seconds
Strategy: Consider putting this challenge off until later in the game when Sora is stronger. Use Limit Form to attack and defeat the mushroom within 10 seconds.
Mushroom VI
Location: Underworld, Atrium
Objective: Defeat all the mushrooms within 45 seconds
Strategy: Use Final Form to quickly kill groups of mushrooms without flying over to them. Have some Ethers or Elixirs on hand and use Thundaga.
Mushroom VII
Location: Tunnelway, Twilight Town
Objective: Defeat the mushroom within 10 seconds
Strategy: Use Thundaga while in Final Form or Wisdom Form to defeat the mushroom. If you are hit, you will be sent flying back.
Mushroom X
Location: Port Royal - Isla de Muerta: Moonlight Nook during the second visit
Objective: Defeat the real mushroom in 55 seconds as it shuffles among four clones
Strategy: Stand back to see all the clones and pause the game repeatedly to keep track of the real mushroom. Use Final Form to deal as many hits as possible to the real mushroom.
Mushroom XIII
Location: Radiant Garden - Great Maw
Objective: Complete all twelve mushroom challenges
Strategy: After entering the Great Maw, the twelve mushrooms will appear and then vanish if their challenges have not been completed. Approach the pillar of light and look up to summon Mushroom XIII. After a cutscene, activate the "Ready, Go!" command to receive your rewards.
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How to unlock the Winner's Proof keyblade
To unlock the Winner's Proof Keyblade, you will need to complete all Mushroom XIII mini-games and travel to The Great Maw in Hollow Bastion. Winner's Proof is a Keychain for Sora's Keyblade that appears in Kingdom Hearts II Final Mix. The Keyblade has impressive stats, with the highest Magic bonus out of all of Sora's Keyblades, making it extremely potent when used with a magic-focused form.
To unlock it, you must pass thirteen tests, one for each Mushroom, which is where the name Winner's Proof comes from. The Keyblade itself displays exactly thirteen Mushrooms; four on the links and Keychain, two on the handle, six on the blade, and one serving as the teeth.
To beat the Mushrooms, you will need both Berserk Charge and Horizontal Slash. Make sure to remove all MP Haste abilities before pulling the mushroom out. Cast Cure before you start the challenge and spam Horizontal Slash until you score 85 hits. You could also try to start with an air combo from Master Form, then follow through with Thundaga until you run out of MP. Then, quickly revert and start spamming Horizontal Slash while pushing the analog stick in the same direction as the mushroom to keep it within reach of the Keyblade.
Once you have completed all thirteen tests, you will need to approach Mushroom #13, which will descend from the sky to reward you with the Winner's Proof Keyblade and the Proof of Peace.
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The Proof of Peace and Mushroom 13
Mushroom XIII is a group of Emblem Heartless that appears in Kingdom Hearts II Final Mix. They are friendly and non-hostile Heartless that appear after a world is completed. They are unique enemies that act more like puzzles or mini-games than actual combat encounters. Each mushroom represents a member of Organization XIII and must be satisfied in a special mini-game in order to be defeated.
To fight Mushroom 13, you must first complete the challenges given by the other 12 mushrooms. These challenges involve scoring high scores or completing tasks within a certain amount of time. Once you've completed all 12 challenges, head to the Great Maw in Radiant Garden, where the 12 mushrooms will be waiting for you. Approach them and a reaction command to "Look Up" will appear. Do so, and Mushroom 13 will descend from the sky.
Mushroom 13 is unique compared to the other 12 mushrooms. Instead of giving you a challenge, it rewards you with the Winner's Proof keyblade and the Proof of Peace. This signifies the completion of all 13 mushroom challenges and the unlocking of special rewards.
To successfully complete the challenges presented by the first 12 mushrooms, players must employ various strategies and equip specific items. These strategies include using certain keyblades, abilities, and accessories, as well as mastering the timing of attacks and defensive maneuvers. Each mushroom has its own unique mechanics and requirements that must be understood to progress.
Overall, defeating Mushroom 13 in Kingdom Hearts II involves completing a series of mini-games and challenges presented by the first 12 mushrooms. By understanding their mechanics and employing the right strategies, players can obtain the Proof of Peace and Mushroom 13's unique rewards.
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Mushroom XIII as Heartless enemies
Mushroom XIII is a group of Emblem Heartless enemies in Kingdom Hearts II Final Mix. They are friendly Heartless that appear after completing a world and each represent a member of Organization XIII. To defeat them, you must complete a special mini-game or challenge issued by each Mushroom. These challenges vary in difficulty and require different strategies to complete.
The first Mushroom, located in Memory's Skyscraper in The World That Never Was, requires you to hit it 70 times from behind within 30 seconds. The second Mushroom, found in Christmas Tree Plaza in Halloween Town, challenges you to block 80 projectile attacks. This can be achieved by using Reflega and Ether to deflect the projectiles back at the Mushroom.
The third Mushroom, located on the bridge at Beast's Castle, drops 450 orbs that you must collect while flying around. This challenge can be made easier by equipping Draw and the Follow the Wind keyblade, as well as upgrading Glide to keep up with the Mushroom. The fourth Mushroom, found at the Palace Gates in The Land of Dragons, tasks you with defeating 85 mushrooms without taking any damage. Using Wisdom Form and keeping your distance are recommended strategies for this challenge.
The fifth Mushroom, located in the Treasure Room at the Cave of Wonders in Agrabah, must be defeated within 10 seconds. It rapidly heals any damage it takes, so it is best to attempt this challenge when you are max level with high stats. The sixth Mushroom, found in the Underworld Atrium, challenges you to defeat all the mushrooms that appear within 45 seconds. Using Final Form and Thundaga magic is an effective strategy for this challenge.
After completing the challenges of the first twelve Mushrooms, the thirteenth Mushroom can be found in Radiant Garden - Great Maw. This Mushroom is non-hostile and rewards Sora with the Winner's Proof keyblade and the Proof of Peace.
Overall, the Mushroom XIII enemies in Kingdom Hearts II Final Mix act more like puzzles than traditional combat encounters, requiring players to employ different strategies and utilize various items and abilities to complete their challenges.
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The mini-games of Mushroom XIII
Mushroom XIII is a group of Emblem Heartless that appears in Kingdom Hearts II Final Mix. Defeating all 13 mushrooms is a requirement for unlocking Sora's golden crown. Each mushroom has its own unique mini-game that must be completed to progress in the game. Here is a detailed guide to the mini-games of Mushroom XIII:
Mushroom I
Location: Memory's Skyscraper, The World That Never Was
Objective: Hit 70 times in 30 seconds
Strategy: This mushroom has the Reversal option, similar to Xemnas. It doesn't respond well to combos. You can use either Wisdom or Final Form, but keep your combos short. Remove all Combo Plus abilities and consider adding some Negative Combos. The Fenrir keyblade has a Negative Combo, so it can be useful here.
Mushroom II
Location: Christmas Tree Plaza, Halloween Town
Objective: Avoid 80 magic attacks
Strategy: This mushroom shoots energy bolts at you, similar to Xigbar. You need to block, guard, or reflect 80 of them. Use Reflect and stock up on Ethers to spam the Reflect ability.
Mushroom III
Location: Bridge, Beast's Castle
Objective: Collect 450 orbs
Strategy: This mushroom drops orbs from the air as it flies around. Equip abilities that draw items towards you, such as Draw and Draw Ring, and use the Follow the Wind keyblade for extra draw effect. Fully upgrade Glide to keep up with the mushroom.
Mushroom IV
Location: Palace Gates, The Land of Dragons
Objective: Defeat 85 mushrooms without getting hit
Strategy: Use Wisdom Form, but make sure it is fully levelled up first. Keep your distance and shoot the mushrooms while moving to avoid getting hit. The mushrooms get tougher as your kill count rises.
Mushroom V
Location: Treasure Room, Cave of Wonders, Agrabah
Objective: Defeat the mushroom within 10 seconds
Strategy: The mushroom will rapidly heal any damage it takes, so it is recommended to attempt this mini-game at max level with high stats. Use Limit Form to kill it quickly.
Mushroom VI
Location: Underworld, Atrium, Twilight Town
Objective: Defeat all the mushrooms that appear within 45 seconds
Strategy: Use Final Form and make sure it is fully upgraded. Have Ethers or Elixirs on hand to use Thundaga and kill groups quickly.
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Frequently asked questions
Mushroom 13 is in Radiant Garden - Great Maw (where the 1000 Heartless battle took place).
You need to complete the challenges given by all 12 other mushrooms and get high scores for each one.
After completing the challenges, head to the Great Maw in Radiant Garden where you will find the 12 mushrooms waiting for you. A reaction command to "Look Up" will appear. Do so and Mushroom 13 should descend from the sky.
Mushroom 13 rewards you with the Winner's Proof keyblade and the Proof of Peace.
For Mushroom 1, hit it 70 times from behind within 30 seconds. For Mushroom 2, deflect 80 projectiles. For Mushroom 3, collect 450 orbs it drops while flying around. For Mushroom 5, defeat the mushroom within 10 seconds and use Limit Form to kill it quickly.

























