Key Items - Mega Man Battle Network 4 - Red Sun

Discover all the useful Items available in Mega Man Battle Network 4 - Red Sun by browsing through our complete key items list, including each item's status and effects. If you're searching for Battle Chips or Program Advance, simply click on one of the links below and find what you need to achieve victory.

 

Mega Man Battle Network 4 - Red Sun Lists
- Battle Chips
- Key Items
- Program Advance

 

PET: It's your PErsonal Terminal.

RcvPatch: Repair data,used for fixing Mr. Progs.

Earphone: High-tech earphone that can block out outside sounds.

BootDatA: This data controls the sonar system in the ELTwrComp.

BootDatB: This data controls the sonar system in the ELTwrComp.

CyberBat: A type of viruses uses sonic waves to mess up computers.

LabData: It's data concerning Mettaur physiology.

GoldbgM: It's a rare male goldbug.

GoldbgF: It's a rare female goldbug.

School ID: This is Lan's identification card for his school. It allows him to enter the school building and participate in school-related activities.

Lan's HP Memory: This is a special item that increases Lan's maximum HP by a certain amount. There are multiple HP Memories throughout the game, and each one increases Lan's maximum HP by a different amount.

Gate Key: This is a key that opens the gate to the Undernet. It is required to progress through the story.

Old Bottle: This is a seemingly useless item that can be given to a certain character in exchange for a different key item.

Cactus Ball: This is a ball made from a cactus plant. It can be given to a certain character in exchange for a different key item.

Water Saver: This is a device that reduces water consumption in the Net. It is required to progress through the story.

Yumland Pass: This is a pass that allows entry to Yumland. It is required to progress through the story.

Air Shoes: These are special shoes that allow the wearer to jump higher and move faster.

Undernet Pass: This is a pass that allows entry to the Undernet. It is required to progress through the story.

Mr. Famous's Letter: This is a letter from Mr. Famous that allows the player to participate in a special tournament.

Hospital Key: This is a key that opens the door to the hospital. It is required to progress through the story.

Key to Yum Square: This is a key that unlocks the door to Yum Square. It is required to progress through the story.

F-Letter: This is a letter from a friend that contains information about the game's storyline.

G-Letter: This is a letter from a friend that contains information about the game's storyline.

Underpass Memo: This is a memo that contains information about a puzzle in the Undernet.

Official Navi Customizer License: This is a license that allows the player to use the Navi Customizer, a system for customizing MegaMan's abilities.

Dekao's Data: This is data on the character Dekao that can be used to upgrade MegaMan's abilities.

GutsMan V2 Data: This is data on the character GutsMan V2 that can be used to upgrade MegaMan's abilities.

NumberBall A-L: These are special items that can be used to unlock a secret area in the game. Each NumberBall corresponds to a different letter of the alphabet.

NumberBall M: This is a special item that can be used to unlock a secret area in the game.

NumberBall N: This is a special item that can be used to unlock a secret area in the game.

NumberBall O: This is a special item that can be used to unlock a secret area in the game.

 

 

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