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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 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.

Phase 1

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


Make 2 small 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.


You don't want too many players with the healing absorb debuff.

EVERYONE

MAKE GROUPS AND ALTERNATE

SOAKING THE CONE.

QUICKLY HEAL THE ABSORPTIONS.

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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 30s, dealing damage to the debuffed players based on their remaining shield.


Players hit by the cone become vulnerable to it for 30s. Rotate 2 small groups of players to soak it.

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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Sapper's Satchel
Spread

Some bombs are attached to a few players who explode after 7s.


Players hit by these explosions take damage and get a stack of Blast Burns.

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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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.

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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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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

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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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 55s, 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 Coils to break. You can throw them in the hole in the middle of the arena using the extra action button.

EVERYONE

QUICKLY BRING BOMBS TO ACTIVATED

COIL TO PREVENT OR STOP DAMAGE.

THROW EXTRA BOMBS IN THE MIDDLE OF ARENA.

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Giga Coils
Main Mechanic

At the start of P2, Gallywix is at 100 Energy and activates a Coil. A barrier protecting his control panel opens.


An activated Coil deals increasing raid-wide damage every second, quickly becoming lethal.


Bring one of the Giga Bombs to the Coil to sabotage and stop it for 1 min. If the Coil is activated, it shuts it. If Gallywix tries to activate it while sabotaged, the mechanic is cancelled.


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.

EVERYONE

DODGE BEAM, DONT LET IT HIT

GIGA BOMBS. QUICKLY DESTROY THE COILS.

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Giga Blast
Beams

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 the damage lethal.


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

EVERYONE

DODGE THE AOES AND

PREPARE FOR MECHANICS

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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.

EVERYONE

SOAK IN GROUPS OF 2.

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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 30s, dealing damage 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.

Darkfuse Wrenchmonger
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Wrench
Add Management

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

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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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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.

Sharpshot Sentry
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Shock Barrage
Interruption

The Sentries channel a beam at a random player for 4s, dealing heavy damage.


Interrupt them and kill them.

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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.

Sharpshot Sentry
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Shock Barrage
Interruption

The Sentries channel a beam at a random player for 4s, dealing heavy damage.


Interrupt them and kill them.

Darkfuse Wrenchmonger
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Wrench
Add Management

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

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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.

Phase 3

Once Gallywix has been interrupted, P3 starts. He leaves the robot and can now move around.


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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Bigger Badder Bomb Blast
Raid Mechanic

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


Gallwix 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 multiple different bombs in the room, like in P1 and P2: dodge the small 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, 1 PLAYER

PER CIRCLE. AVOID OVERSOAKING.

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Tick-Tock Canisters
Soak

Modified version of the canisters from P2.


Gallywix throws many canisters in the room that explode after 8s, dealing damage split between players hit and applying a healing absorb debuff (the same from P1 and P2).


Each canister must be soaked by 1 player or the whole raid gets debuffed.


The healing absorb must be healed within 30s or players take damage based on their remaining absorb.

EVERYONE

MOVE FAR AWAY

FROM THE IMPACT

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Gallybux Finale Blast
Aoe

Similar to P1 and P2 but enhanced.


After casting Suppression, Gallywix aims at a location and shoots a massive shock that deals lethal damage reduced by distance.


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
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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 55s.


3. Bring them to the activated Coil to sabotage it and stop Gallywix from 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.

SHARE LINK
Venting Heat
Raid Damage

Similar to P1 and P2.


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

SHARE LINK
Ego Check
Tank Mechanic

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

SHARE LINK
Venting Heat
Raid Damage

Similar to P1 and P2.


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

Darkfuse Technician
SHARE LINK
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!