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Metroid Prime 4: Beyond

Great Mines Walkthrough and Guide

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Great Mines Walkthrough and Guide
This is a guide for the Great Mines area in Metroid Prime 4: Beyond. Check out how to progress through the Great Mines, as well as guides for any bosses, upgrades, abilities, rewards and puzzles in the area here.

◀ Previous Area Next Area ▶︎
Flare Pool Chrono Tower

Great Mines Objectives

Great Mines Main Objectives
1 Enter the Great Mines
2 Descend into the Mines
3 Find the Way Out Underground
4 Explore Main Shaft - Level 2
5 Obtain the Master Teleporter Key
Boss Battle: Omega Griever

Enter the Great Mines

Objectives
1 Head to the Great Mines
Head over to the Great Mines, located on the easternmost side of Sol Valley on your map. MacKenzie will contact you and send you the coordinates to the location. There, at the entrance, you need to fix the bridge to enter the mines.
2 Fix the Bridge
To cross to the other side, use Morph Ball to climb up the magnetic path leading over the gorge. Then, drop down and scan your hand on the terminal to extend the bridge, letting your allies cross over.
Switch to Morph Ball Mode
▶︎ List of Controls
3 Take the Elevator into the Mines
Scan the terminal ahead to activate the elevator. After doing so, a cutscene will play where hoardes of Grievers emerge from the sand. Samus will be told to descend into the Great Mines with Duke and Armstrong. You will enter the Main Shaft - Level 1.
4 Cross the Gap in the Main Shaft
To find a way across the main shaft, take a right and jump over the platform. On the wall is a magnetic path for you to use Morph Ball. At the top, Morph Ball again along the wall and over the gap. Launch yourself to alternate between the paths to reach the other side.
5 Extend the Bridge
To the side of the bridge is a Spinner. Enter Morph Ball mode to slot yourself into the Spinner, then use Psychic Boost Ball to power the bridge, letting it extend over the gap.
How to Use Psychic Boost Ball
▶︎ Psychic Boost Ball How to Unlock and Effects
6 Shoot the Vault Open
Ahead is a locked vault. Wait for Duke and Armstrong to pull the panels aside, then shoot the glowing center to unlock the vault to the Side Hall. Pass the corridor and head right into a room. Scan the terminal to activate the Hologram Emitter and acquire the Area Map.
Scan Everything for Information
▶︎ List of Logbooks and Scans Guide
7 Head Deeper into the Mines
Save your progress at the Save Station nearby. Returning to the Command Center, open the large door with Boost Ball. Shoot the flying enemies inside, then open another door with Duke and Armstrong's help. Pass through the tunnel and shoot more enemies.

Switch to Morph Ball Mode

To switch to Morph Ball mode, press the Y button. This mode is useful for navigating through tight spaces and activating various mechanisms.

List of Controls

How to Use Psychic Boost Ball

To perform Psychic Boost Ball, press and hold the B button or the L trigger, then release to burst in a surge of speed.

Psychic Boost Ball How to Unlock and Effects

Scan Everything for Information

Scanning your environment for information can give you hints about your surroundings. In many cases, scanning objects gives you the answers to activating mechanisms and fighting enemies, including bosses.

List of Logbooks and Scans Guide

Descend into the Mines

Objectives
1 Power the Drill
In an area with a massive drill, jump on the raised platform where the Excavation Drill Control Terminal is. Activate the terminal to link it to the drill, then head over to the front of the drill. Roll into the hole in Morph Ball mode and use Boost Ball to power the drill.
2 Remove the Drill Pin
Jump on the raised platforms then turn around facing the drill. Pull the pin to lower the drill, aiming it at the ground. Suddenly, Grievers will appear. Fend them off until the drill finally bores a hole into the ground. Jump down the hole to descend into the mines.
3 Head into the Cavern
Down the hole, navigate through the cavern with Armstrong. At the end of the cavern, use a charged blast to destroy the crystallized wall. More Grievers will appear. Shoot them as you follow the path leading deeper underground.
4 Destroy the Gornbocask
Destroy the Gornbocask to reveal a hole. Jump down and continue ahead until you find a larger Gornbocask. Use Control Beam to destroy the plant's two cores through the holes where the roots are coming from. Defeat more Grievers, then jump down the hole.
How to Use Control Beam
5 Head Deeper Underground
Continue along the path. Shoot the glowing flowers to avoid being hurt while passing through. Ahead, pull the fiber bundles blocking the way.

How to Use Control Beam

To use the Control Beam, toggle the Psychic Visor by pressing the X button. Press and hold the A button or the ZR trigger to release a Control Beam. You can control the trajectory of the beam with the analog stick, allowing you to aim for specific targets.

Control Beam How to Unlock and Effects

Find the Way Out Underground

Objectives
1 Pass Through the Nest
Head into the Griever nest while shooting Grievers along the way. At the end of the nest is a Maintenance Gate. Look to the upper left to see a webbed Bomb Slot. Burn it with Fire Shot, then plant a Morph Bomb to hurl into the slot. This will open the gate.
▶︎ Fire Shot Effects: Where to Use Fire Chip
2 Break the Walls with the Vehicle
On the other side of the gate is an abandoned vehicle and a caved-in wall. Burn the webbing on the vehicle's terminal with Fire Shot. While Armstrong finds a way to break through the walls, cover for her by picking off the Grievers.

Explore Main Shaft - Level 2

Objectives
1 Venture into the Facility
After being separated from Armstrong, venture into Mine Shaft - Level 2. Save your progress at the Save Station first before going further. In a room, shoot the boxes and the debris blocking the inside of the vent before using Morph Ball to pass through.
2 Cross Over to the Other Side
Further along Main Shaft - Level 2, traverse across the gap by using Tether Ball to leap up the wall, then roll your way to the other side. Dropping on a platform, continue further until you find a Spinner. Activate it to extend the bridge, allowing you to backtrack.
3 Defeat the Mutated Grievers
Past the door ahead of the bridge, you will enter an area with a cocoon-like object. A large mutated Griever will emerge from it, alongside other Grievers. VUE-995 will then appear, assisting you in the battle.
4 Drop the Mining Cannon
After all Grievers are defeated, continue ahead until you reach an area with a Mining Cannon hanging above, use Morph Ball to travel along the walls and power the two mechanisms with Boost Ball. This will drop the cannon and attract the attention of more Grievers.
5 Obtain the Super Missile
With the Grievers gone, wait for VUE-995 to break the frame of the Mining Cannon. Blast the frame with a missile then obtain the Super Missile. Defeat another wave of Grievers.
How to Use Super Missile
6 Use Super Missile to Destroy Koornicite Ore
Launch a Super Missile to destroy the Koornicite Ore blocking the path, then proceed with VUE-995 inside. Let VUE-995 clear any paths blocked by membranes to advance further.
7 Defeat More Grievers
Deep underground again, VUE-995 will be incapacitated. Fend off the Grievers and the large mutated variant. VUE-995 will free himself afterwards and destroy more membranes. Run through the tunnels to evade the Grievers before facing them.

How to Use Super Missile

To release a Super Missile, first equip your Missile subweapon by pressing the right analog button. Then, hold the R trigger to charge up a Super Missile. Release the trigger to launch it.

Obtain the Master Teleporter Key

Objectives
1 Defeat the Omega Griever
Navigating further into the tunnel without VUE-995, you will approach the Crystal Extraction, where the Master Teleporter Key is located. In the boss arena, defeat the Omega Griever.
2 Take the Master Teleporter Key
After defeating the Omega Griever, you acquire the Psychic Power Bomb. Go ahead and obtain the fifth Master Teleporter Key.
How to Use Psychic Power Bomb
3 Leave the Arena
Leave through the blocked door. Blast the door with a Super Missile, then plant a Psychic Power Bomb to destroy it completely.
4 Find a Way Out the Mines
At the end of a corridor, destroy the Enhanced Locked Gate Unit with a Super Missile. Inside is an Energy Converter. In the chamber, destroy the two security limiters to unlink them to the Converter. Then, use Psychic Power Bomb in the slot in Morph Ball mode.
5 Climb Up to Summon the Elevator
Still in Morph Ball mode, climb up the magnetic path. At the top, scan the terminal to summon the elevator. You will be reunited with Duke, Armstrong, and VUE-995.

How to Use Psychic Power Bomb

To use Psychic Power Bomb, hold the R trigger to plant and detonate one bomb that releases a powerful wave of Psychic Energy. You can also add Mote properties to the bomb by pressing and holding the R trigger.

All Great Mines Bosses

Omega Griever Overview

Boss Overview
Omega Griever Boss Appearance
Map Great Mines
Area Crystal Extraction
Weak Point ・Abdominal Organ
Required Upgrade None

How to Beat Omega Griever: Quick Boss Tips

  1. Shoot abdominal organ.
  2. Avoid poisonous spit.
  3. Fire missiles to exposed head if caught by tongue.
  4. Plant Morph Bombs to expose abdominal organ when incapacitated.
  5. Dodge melee and ranged attacks.

List of Bosses

All Great Mines Unlocks

Super Missile

The Super Missile is a powerful upgrade for your Missile Launcher. Instead of shooting a single missile, the Super Missile allows you to launch five missiles at a time for a devastating attack.

In exploration, the Super Missile can also destroy durable walls requiring a powerful weapon to use.

Psychic Power Bomb

The Psychic Power Bomb is an upgrade for your Morph Ball form. This upgrade allows you to release a more powerful bomb that releases a wave of Psychic Energy. If necessary for a puzzle, you can add Mote properties to the bomb.

Metroid Prime 4: Beyond Related Guides

Metroid Prime 4 - Walkthrough

Complete Story Walkthrough and Guide

All Walkthrough Guides

Story Walkthrough
Prologue Walkthrough Fury Green Walkthrough
Volt Forge Walkthrough Ice Belt Walkthrough
Flare Pool Walkthrough Great Mines Walkthrough
Chrono Tower -

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