Mewgenics Guillotina Boss Fight Guide

Guillotina is the first House Boss in Mewgenics and she hits hard, has massive HP, and introduces multi phase mechanics that can wipe careless teams. You get 7 days to prepare before she attacks the house, so bring retired high level cats with strong skills. The fight has 3 parts across the campaign, and each one escalates.

Here is how to beat every Guillotina encounter.

Guillotina Part 1 Strategy

Stats
400 HP, 5 STR, 3 SPD, 5 LCK

Guillotina takes up 4 tiles and starts with Trample. She walks into melee range and uses random attacks.

Main threats

  • Toss throws units diagonally until they hit a wall

  • Inhale pulls a unit up to 10 tiles away

  • Spit ejects inhaled units

  • Leap deals damage and knockback

  • At half HP she enrages and gains 100 max HP

If she Swallows a unit in phase two behavior, that cat can be digested and permanently killed.

How to win

  • Stack Bleed and Burn to cut through her massive HP

  • Confusion is extremely strong because she can damage herself

  • Do not let squishy cats stand adjacent without protection

  • Keep positioning tight to avoid diagonal Toss angles

  • If swallowed, use Flail immediately to escape

This is an endurance fight. Damage over time is your best friend.

Reward
Throbbing Gristle quest item

Guillotina Part 2 Strategy

Stats
Body 250 HP, 8 STR, 1 SPD, 5 LCK
Head 250 HP, 4 STR, 5 SPD, 5 LCK

Now she splits. The head becomes the main threat.

Head behavior

  • Rolls around aggressively

  • Uses wide linear attacks

  • Causes heavy Knockback

When you destroy the head, the body restores 100 HP.

How to win

  • Focus the head first

  • Watch positioning to avoid long knockback lines

  • Keep your backline protected from rolling attacks

  • Prepare for HP restoration when head dies

Do not ignore the body, but the head controls the fight.

Reward
Putrid Leech quest item

Guillotina Part 3 Strategy

Stats
Body 400 HP, 0 STR, 2 SPD, 5 LCK
Head 200 HP, 5 STR, 0 SPD, 5 LCK

Now the head and body are separate units with linked mechanics.

Body

  • Low speed

  • No attack

  • Attempts to reconnect with head

Head

  • Cannot move

  • Deals damage

  • Becomes deadly when reattached

When they reattach, Guillotina uses Shriek, applying Poison and Hex to the entire team.

Poison drains HP. Hex increases mana costs. This can spiral fast.

If you destroy the head, the body begins summoning a miniboss.

How to win

  • Use Knockback to keep body and head separated

  • Psychic push and pull abilities are extremely strong here

  • Avoid letting them reconnect

  • If you kill the head, prepare for a summoned miniboss

  • Manage Poison carefully and finish quickly

This phase is about control, not raw damage.

Reward
Guillotina’s Head quest item

Guillotina General Tips

  • Bring at least one healer or sustain source

  • Bring high single target damage

  • Stack DOT effects

  • Use Confusion if available

  • Control positioning constantly

  • Protect cats holding quest items

House bosses are long fights. Plan for endurance.

Unlocking The Throbbing Domain

The quest items from Guillotina are required to unlock the Throbbing Domain secret zone.

After clearing Caves or Boneyard and completing the progression chain, you can access the Throbbing Domain and fight the Throbbing King.

Guillotina is not optional if you want full Act 1 progression.

Final Blurb

Guillotina is a multi phase House Boss with high HP, swallow mechanics, knockback pressure, and poison based late phase control. Part 1 is endurance, Part 2 is head control, and Part 3 is separation management.

Bring DOT, bring control, and never let the head and body reunite in the final phase.

She is your first real house check.

FAQ

When does Guillotina attack?

After clearing either the Caves or the Boneyard, you get 7 days to prepare.

Can Guillotina permanently kill cats?

Yes. If a swallowed cat is digested, it can die instantly.

What is the best strategy?

Stack Bleed and Burn, use Confusion, and control positioning.

What are her rewards for?

They unlock the Throbbing Domain secret zone.


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