How to Unlock the Diffusion Beam | Where to Go After Getting

This is a guide on the Diffusion Beam, a Beam upgrade in Metroid Dread for the Nintendo Switch. Read on to learn about how to unlock the Diffusion Beam Upgrade, how to use the Diffusion Beam against enemies and obstacles, and where to go after getting the Diffusion Beam upgrade.

Diffusion Beam Overview

Basic Information

Diffusion Beam
Description	This beam causes Charge Beam to explode on impact and can penetrate through terrain. Diffusion Beam emits a purple ignition upon impact.
Upgrade Type	Beam

How to Unlock the Diffusion Beam

Diffusion Beam Location

Diffusion Beam Map Location
View Full Map Image
Location	Cataris

Steps to Unlock the Diffusion Beam

The Diffusion Beam is located at the southwestern area of Cataris.

1	Climb using the Spider Magnet. After defeating Kraid, use the Spider Magnet behind Samus and continue climbing till you reach the narrow passage.
2	Use the Morph Ball. Enter the narrow passage and traverse till you reach the wider area.
3	Destroy the Barricade with a Missile. Drop down till you see a Missile Door. Open it up and enter the door.
4	Obtain the Upgrade. Destroy the item sphere holding the diffusion beam to obtain the upgrade.

How to Use the Diffusion Beam

Hold Y to Use Diffusion Beam

Similar to a regular Charge Beam, hold the button until fully charged and release to fire.

Attack Enemies Through Walls

Diffusion Beam can penetrate through terrain. Use this to defeat enemies through walls or barriers with little to no risk.

Destroy Organic Obstacles Through Walls

You can now destroy the exploding organic obstacles through walls with the Diffusion Beam to access new areas.

Where to Go After Diffusion Beam

Head back to Dairon through the Purple Teleportal. Go through the EMMI Zone and use the Diffusion Beam to clear any walls that block your way. Continue to the upper left section of Dairon to find the Bomb upgrade.

Metroid Dread Related Guides

List of All Ability Upgrades

All Abilities ＆ Upgrades

Suits and Suit Upgrades
Power Suit	Varia Suit
Gravity Suit	Metroid Suit
Beam Upgrades
Power Beam	Charge Beam
Wide Beam	Grapple Beam
Omega Cannon	Diffusion Beam
Plasma Beam	Wave Beam
Hyper Beam	--
Missile Upgrades
Super Missile	Ice Missile
Storm Missile	-
Misc. Upgrades
Spider Magnet	Speed Booster
Shinespark	Screw Attack
Space Jump	Spin Boost
Morph Ball Upgrades
Morph Ball	Bomb
Cross Bomb	Power Bomb
Aeion Abilities
Phantom Cloak	Flash Shift
Pulse Radar	-