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Liberation of Undermine

Chrome King Gallywix

Boss #8
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Strategy Guide

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FIGHT OVERVIEW
  • This fight has 3 phases with an intermission between phase 2 & 3.

  • Most of Gallywix's abilities are present in all 3 phases. They often have a slight twist in the next phase.

  • One of his main abilities present in P1, P2, and P3 is when he drops bombs to dodge in the room. Getting hit by a bomb applies stacking DoT.

  • In P2 and P3, the main mechanic of the fight is to destroy the Coils that are activated by the boss. They will quickly kill you if they remain active.

  • In P2 and P3, Technician adds drop Giga Bombs when dying which you need to sabotage and destroy the Coils in time.

  • Throw extra Giga Bombs in the hole in the middle of the arena with Fling, the extra action button, to get rid of them.

  • Each Coil can be sabotaged twice, which destroys them. This condemns a quarter of the room with lightning. Kill the boss before you run out of space.

Heroic Changes
  • The healing absorb debuff in all 3 phases needs to be healed faster. When it expires, it now deals damage to ALL players.

  • In P1, P2 and P3, there is now a new type of bomb that the tanks must disarm so they don't explode and kill the raid.

  • Giga Bombs dropped by the Darkfuse Technician take less time to explode.

  • Fully destroyed Coils shoot lightning bolts. Coils remain sabotaged for 20s instead of 1min.

Phase 1

Gallywix stands in the middle of the arena and doesn't move.


Divide raid into 2 groups to soak the cone on each tank.


The boss drops large piles of bombs that explode shortly after.


The explosions scatter many other bombs which then create different mechanics.

EVERYONE

DIVIDE RAID IN 2 ON EITHER

SIDE OF THE BOSS TO SOAK

THE MASSIVE CONE.

Play Button
HEROIC CHANGES
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Scatterblast Canisters
Frontal Cone

Gallywix deals heavy Physical damage to the tank in a cone attack. To split the damage, the cone must be soaked by at least 3 players.


Players hit by the cone also get a healing absorption debuff. If less than 3 players get hit, the whole raid gets debuffed.


The debuffs explode after 15s, dealing damage to ALL players based on the remaining shield.


Players hit by the cone become vulnerable to it for 30s. Divide raid in 2, each half soaks a cone in turn.

EVERYONE

DODGE THE AOE AND

PREPARE FOR MECHANICS.

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Big Bad Buncha Bombs
Raid Mechanic

The boss drops massive piles of bombs in the room that explode shortly after impact, dealing heavy damage to anyone hit.


The explosions scatter many smaller bombs in the room that have various mechanics.


Being hit by any bomb explosion also applies a stack of Blast Burns, a long stacking DoT.

EVERYONE

DODGE THE BOMBS

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Bad Belated Boom
Swirlies

Many small bombs are scattered across the room and explode shortly after, dealing damage and applying a stack of Blast Burns to anyone hit.

EVERYONE

SPREAD OUT BEFORE

THE DETONATION.

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HEROIC CHANGES
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Sapper's Satchel
Spread

Some bombs are attached to a few players who explode after 5s.


Players hit by these explosions take damage and receive the same bomb that also explodes after 5s.


Being hit also applies a stack of Blast Burns.

TANKS

CLICK ON BOMBS TO DISARM THEM

USE KNOCKBACK TO GET TO OTHER BOMB.

Play Button
HEROIC ONLY
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1500-Pound "Dud"
Tank Mechanic

2/3 large bombs drop in the room that need to be interacted with or they explode after 15s, dealing massive damage to the raid.


A tank must click on the bombs to disarm them. Then only the tank takes a big hit of damage and a stacking DoT. When the DoT expires, the raid takes a small hit of damage.


Disarming the bomb knocks the tank back.

EVERYONE

DODGE THE SWIRLIES

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Suppression
Swirlies

Periodically, Gallywix launches a salvo of small swirlies.


They deal damage and applies a stacking dot to players within 2.5 yards.

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Gatling Cannon
Tank Mechanic

Gallywix inflicts high damage to his target, increasing by up to 200% as the distance increases.


Gallywix stands still in the middle of the arena in P1.

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Trick Shots
Tank Mechanic

The boss gains a stack of Trick Shots every 4s. When he reaches 10 stacks, or when he changes targets, he releases the stacks and inflicts damage based on the number of stacks.


Taunt the boss before he gets to 10 stacks.

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Gatling Cannon
Tank Mechanic

Gallywix inflicts high damage to his target, increasing by up to 200% as the distance increases.


Gallywix stands still in the middle of the arena in P1.

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Trick Shots
Tank Mechanic

The boss gains a stack of Trick Shots every 4s. When he reaches 10 stacks, or when he changes targets, he releases the stacks and inflicts damage based on the number of stacks.


Taunt the boss before he gets to 10 stacks.

Phase 2

When Gallywix reaches 100 Energy, P2 starts and activates one of the 4 Coils in the room.


Gallywix carries over most of his ability from P1 and summons different adds.


In P2, Gallywix still accumulates Energy. At 100 he activates another of the 4 Giga Coils around the room.


The main mechanic of the fight is to destroy these coils using the Giga Bombs dropped by adds. If a Coil is activated for too long, the raid will die.


You have more Giga Bombs than Coils to sabotage. Throw the extra ones in the hole in the middle of the arena using the extra action button.

EVERYONE

QUICKLY KILL TECHNICIANS

AND BE AWARE OF BOMBS.

THROW EXTRA BOMBS IN HOLE.

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HEROIC CHANGES
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Charged Giga Bomb
Main Mechanic

At the start of P2, Gallywix summons 8 Darkfuse Technicians. These adds are very important.


Dodge their spawning animation and kill them quickly.


When they die, they drop a Giga Bomb that can be picked up by a player. You can drop them using the extra action button.


Giga Bombs explode after 40s, or when hit by the massive beam of Gallywix, dealing heavy raid-wide damage.


These Giga Bombs are essential for the main ability of the fight.


You will have a lot more Giga Gombs than needed. Throw the extra ones in the hole in the middle of the arena using the extra action button.

EVERYONE

QUICKLY BRING BOMB TO ACTIVATED

COIL TO STOP DAMAGE. THROW EXTRA

BOMBS IN THE MIDDLE OF ARENA.

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HEROIC CHANGES
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Giga Coils
Main Mechanic

In P2 Gallywix gains Energy. When he gets to 100, he activates one of the 4 Coils around the room.


An activated Coil deals increasing raidwide damage every second, quickly becoming lethal.


Bring one of the Giga Bombs to the Coil to sabotage and stop it.


Once the first control panel has been destroyed by a Giga Bomb, the panels of the other Coils open.


When a Coil has been sabotaged twice, it breaks and condemns its quarter of the room with lightning for the rest of the fight. This should not happen before P3.

EVERYONE

DODGE BEAM, DONT LET IT HIT GIGA BOMBS.

QUICKLY BRING A GIGA-BOMB TO THE

CONTROL PANEL OF ACTIVATED COIL.

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Giga Blast
Beams

Shortly after activating a Coil, Gallywix casts a massive beam toward the raid that deals heavy damage to anyone hit.


He continues shooting beams until the Coil is sabotaged. Each successful cast increases the damage of the Coils by 40%, quickly making the damage lethal.


If a beam hits a Giga Bomb, it destroys it, dealing heavy raid damage. Pick up the bombs to protect them and throw them in the hole to get rid of them.

EVERYONE

DODGE THE AOES AND

PREPARE FOR MECHANICS

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HEROIC CHANGES
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Big Bad Buncha Bombs
Raid Mechanic

Similar to P1


The boss drops massive piles of bombs in the room that explode shortly after impact dealing heavy damage to anyone hit and scattering different bombs in the room.


Small bombs to dodge. Bombs stuck on players that need to spread. Piles to avoid.


And big bombs tanks need to disarm.

EVERYONE

SOAK EACH PLAYER WITH

SMALL GROUP OF PLAYERS.

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HEROIC CHANGES
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Fused Canisters
Soak

The boss attaches bombs to several players. After 6s, they explode, dealing damage within 8yds and applying a healing absorb debuff.


At least 2 players need to soak each bomb or the whole raid is debuffed.


It's the same healing absorb debuff as P1. It detonates after 15s, dealing damage to ALL players based on the remaining absorb.

EVERYONE

DODGE THE SWIRLIES

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Suppression
Swirlies

Similar to P1.


Periodically, Gallywix launches a salvo of small swirlies.


They deal damage and apply a stacking DoT to players within 2.5 yards.

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Sabotaged Controls
Raid Damage

Sabotaged Controls constantly deal damage to a few players.

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Gatling Cannon
Tank Mechanic

Similar to P1.


Gallywix inflicts high damage to his target, increasing by up to 200% as the distance increases.


Gallywix doesn't move in P2, so the tank must stay in melee range.

Darkfuse Technician
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Party Crashing Rocket
AoE

The Darkfuse Technicians crash around Gallywix in the center of the arena.


Their crash deals heavy damage in the impact location.

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Juice It!
Add Buff

The add periodically charges the Giga Bomb, dealing damage to any players within 10 yards.


Additionally, he gains a stack of 10% damage and movement speed buff.

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Venting Heat
Raid Damage

The boss deals heavy damage to the raid for 4s. The duration is extended by 1s every cast.

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Trick Shots
Tank Mechanic

The boss gains a stack of Trick Shots every 4s. When he reaches 10 stacks, or when he changes targets, he releases the stacks and inflicts damage based on the number of stacks.


Taunt the boss before he gets to 10 stacks.

Darkfuse Wrenchmonger
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Wrench
Add Management

The Wrenchmonger hits his target every 5s. This add must be tanked.

HEROIC ONLY
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Lumbering Rage
Add Enrage

Occasionally, this add enrages and increases his damage by 50% but also reduces his movement speed by 50% for 12s.


The enrage can be soothed.

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Party Crashing Rocket
AoE

The Wrenchmonger also crashes into the arena to join the fight.


It deals high damage at the impact location.

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Sabotaged Controls
Raid Damage

Sabotaged Controls constantly deal damage to a few players.

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Venting Heat
Raid Damage

The boss deals heavy damage to the raid for 4s. The duration is extended by 1s every cast.

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Gatling Cannon
Tank Mechanic

Similar to P1.


Gallywix inflicts high damage to his target, increasing by up to 200% as the distance increases.


Gallywix doesn't move in P2, so the tank must stay in melee range.

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Trick Shots
Tank Mechanic

The boss gains a stack of Trick Shots every 4s. When he reaches 10 stacks, or when he changes targets, he releases the stacks and inflicts damage based on the number of stacks.


Taunt the boss before he gets to 10 stacks.

Darkfuse Technician
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Party Crashing Rocket
AoE

The Darkfuse Technicians crash around Gallywix in the center of the arena.


Their crash deals heavy damage in the impact location.

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Juice It!
Add Buff

The add periodically charges the Giga Bomb, dealing damage to any players within 10 yards.


Additionally, he gains a stack of 10% damage and movement speed buff.

Darkfuse Wrenchmonger
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Wrench
Add Management

The Wrenchmonger hits his target every 5s. This add must be tanked.

HEROIC ONLY
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Lumbering Rage
Add Enrage

Occasionally, this add enrages and increases his damage by 50% but also reduces his movement speed by 50% for 12s.


The enrage can be soothed.

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Party Crashing Rocket
AoE

The Wrenchmonger also crashes into the arena to join the fight.


It deals high damage at the impact location.

Intermission

When Gallywix drops to 50% HP, a short intermissions starts.


He crashes down to the arena, killing anyone nearby, and shields himself.


Break his shield and interrupt him before he kills you.

EVERYONE

DODGE THE

MASSIVE AOE.

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Cratering
Oneshot Mechanic

Gallywix crashes onto the ground, killing anyone at the impact location and dealing damage to all players.

EVERYONE

BURST DOWN THE

SHIELD AND INTERRUPT.

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TOTAL DESTRUCTION!!!
Interruption

The boss shields himself for a large amount, preventing him from being interrupted.


He then starts to deal increasing massive raid-wide damage until he is interrupted.


Break the shield before he kills you.

EVERYONE

DODGE THE BEAMS.

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HEROIC ONLY
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Radiant Electricity
Beams

Gallywix shoots 3 small rotation beams around him during intermission that deals damage and stuns.


Melee players need to dodge.

Phase 3

Once Gallywix has been interrupted, P3 starts.


P3 is very similar to P2. Gallywix uses the same abilities from P2 but with a slight twist.


He only summons Technician adds, and you have to play the Coils mechanic the exact same way.


Kill him before you run out of space.

EVERYONE

TANK MOVES AWAY WITH EXPLOSION AND

PREPARE TO HANDLE THE DIFFERENT BOMBS.

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HEROIC CHANGES
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Bigger Badder Bomb Blast
Raid Mechanic

Modified version of the multiple different bombs mechanic from P1 and P2.


Gallywix now drops a massive bomb on the tank that deals massive damage to anyone hit in a 30yd radius. The targeted tank runs away from the raid and becomes vulnerable to this ability for 90s.


The explosion then scatters all the different bombs in the room, like in P1 and P2: dodge the small bombs, avoid the piles, and the tanks will disarm the big bombs.


The old bombs on players become Overloaded Rockets.

EVERYONE

MOVE AWAY, STOP MOVING,

AND DODGE THE ROCKETS.

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Overloaded Rockets
Rockets

A few players are marked with direction indicators and launch rockets in those directions after 5s.


Players hit by the rockets take a nasty DoT and are knocked back.


Stop moving and dodge the rockets.

EVERYONE

SOAK THE CIRCLES, A FEW PLAYERS

FOR EACH CIRCLE TO SPLIT DAMAGE.

Play Button
HEROIC CHANGES
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Tick-Tock Canisters
Soak

Modified version of the canisters from P2.


Gallywix throws canisters around the room that explode after 5s, dealing damage split between players hit and applying them a healing absorb debuff (the same from P1 and P2).


Each canister must be soaked by at least 1 player or the whole raid gets debuffed. Soak with a few players to split damage.


The healing absorb must be healed within 15s or ALL players take damage based on the remaining absorb.

EVERYONE

RUN AWAY FROM BOSS

TO REDUCE DAMAGE.

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Gallybux Finale Blast
Aoe

Similar to P1 and P2 but enhanced.


After casting Suppression, Gallywix casts an explosion around him that deals massive damage, reduced by how far away you are from him.


Run away from it.

EVERYONE

KILL ADD, PICK UP GIGA BOMB, AND BRING

IT TO COIL. THROW EXTRA BOMBS IN HOLE

USING EXTRA ACTION BUTTON.

Play Button
HEROIC CHANGES
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Giga Coils
Main Mechanic

Similar to P2.


Handle this mechanic exactly like in P2:


1. Kill the 5 technicians.


2. Grab their Giga Bombs; they explode after 40s.


3. Bring them to the activated Coil to sabotage it and stop Gallywix casting Giga Coils at 100 Energy.


4. Coils sabotaged twice are destroyed and condemn their quarter of the room with lightning until the end of the fight.


5. Throw extra Giga Bombs in the hole in the middle of the arena using the extra action button.

EVERYONE

DODGE BEAM, DON'T LET IT HIT

GIGA BOMBS. QUICKLY DESTROY THE COILS.

Play Button
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Giga Blast
Beam

Similar to P2.


Shortly after successfully activating a Coil, Gallywix casts a massive beam toward the raid that deals heavy damage to anyone hit.


He continues shooting beams until the Coil is sabotaged. Each successful cast increases the damage of the Coils by 40%, quickly making their damage lethal.


If a beam hits a Giga Bomb, it destroys it.

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Ego Check
Tank Mechanic

Gallywix hits the tank and leaves a DoT for 90% of unmitigated damage taken from the hit.

Darkfuse Technician
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Party Crashing Rocket
AoE

Similar to P1.


The Darkfuse Technician crashes into the arena to join the fight.


It deals high damage in the impact location.

SHARE LINK
Juice It!
Add Buff

Similar to P1.


The add periodically charges the Giga-Bomb dealing damage to any players within 10 yards.


Additionally, he gains a stack of 10% damage and movement speed buff.

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Ego Check
Tank Mechanic

Gallywix hits the tank and leaves a DoT for 90% of unmitigated damage taken from the hit.

Darkfuse Technician
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Party Crashing Rocket
AoE

Similar to P1.


The Darkfuse Technician crashes into the arena to join the fight.


It deals high damage in the impact location.

SHARE LINK
Juice It!
Add Buff

Similar to P1.


The add periodically charges the Giga-Bomb dealing damage to any players within 10 yards.


Additionally, he gains a stack of 10% damage and movement speed buff.

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Chrome King Gallywix Picture
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Chrome King Gallywix
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CREDITS

Credits to our fantastic partner Echo for the gameplay footage and boss strategies.


Thanks to Katskratches our copywriter and Layria, our amazing English copy editor. Be sure to check out Layria's Twitch channel for M+ healing and raiding!


Credits to Akmi for the video editing. If you're looking for a video editor, feel free to DM him on our Discord!