Mutant (boss)

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Mutant (boss)
Mutant (boss) (Fargo's Mod).png
AI TypeMutant AI
720 enraged
Max Life3,500,000 / 7,000,000
177,000,000 enraged
720 enraged
KB Resist100%
Inflicts debuffFargo's Mod/Curse of the MoonCurse of the Moon
Debuff duration10 seconds
Debuff tooltipThe moon's wrath consumes you
Inflicts debuffFargo's Mod/Mutant FangMutant Fang
Debuff duration5 seconds
Debuff tooltipThe power of Eternity Mode compels you
Inflicts debuffFargo's Mod/Oceanic MaulOceanic Maul
Debuff duration90 seconds
Debuff tooltipDefensive stats and max life are savaged
Inflicts debuffFargo's Mod/Mutant PresenceMutant Presence
Debuff durationInfinite (second phase)
Debuff tooltipDefense, damage reduction, and life regen reduced; all soul toggles disabled; Chaos State effect
Immune toChilledOn Fire!SuffocationFargo's Mod/LethargicFargo's Mod/Eternity (buff)Fargo's Mod/God EaterFargo's Mod/Clipped WingsFargo's Mod/Mutant NibbleFargo's Mod/Oceanic MaulFargo's Mod/Time FrozenFargo's Mod/Lightning Rod
Map Icon Mutant (boss) (Fargo's Mod).png
Map Icon

"Mutant has been enraged by the death of his brother!"

Not to be confused with the town NPC version of Mutant.

Mutant is a post-Moon Lord boss. It is the final boss of Fargo's Mod and the most difficult encounter the player must face in it.

See below for the Mutant Presence debuff inflicted by Mutant.

Summoning[edit | edit source]

Mutant does not spawn on its own and must be summoned by the player by dropping an Abominationn Voodoo Doll into lava while both Mutant and Abominationn are alive. The Mutant NPC will transform into the boss.

Alternatively, the player can directly initiate the Mutant battle without the need of the Abominationn by using a Mutant's Curse.

Attacks[edit | edit source]

Mutant attacks the player with moves reminiscent of other Eternity Mode boss changes as well as boss weapons and weapons crafted from Eternal Energy.

Expert Mode[edit | edit source]

Upon reaching 50% of its maximum health in Expert Mode, Mutant will regain all of its health and create a large Mutant Seal as it enters its second phase.

In its second stage, all nearby players are afflicted with the Mutant Presence debuff and players outside the seal are dragged back in.

Eternity Mode[edit | edit source]

All of Mutant's attacks inflict Mutant Fang, and Mutant fully recovers its life while entering its second stage.

Mutant's second stage moveset is drastically improved, containing many more attacks and making existing attacks more difficult. Additionally, Mutant will start from one of several attacks in its moveset, picked at random every time the second stage begins (its overall moveset and pattern does not change between fights).

Mutant additionally gains a third stage at 1 health.

First stage[edit | edit source]

Mutant follows a set pattern, repeating after completing the final attack:

  • Mutant maneuvers around the player while aiming The Penetrator at them. It throws it in the direction of the player five times, with each Penetrator leaving a trail of Phantasmal Spheres that slowly home in towards the player.
  • Mutant slows down and fires several rotating rings of Phantasmal Spheres around it.
  • Mutant flies up to the corner and swoops down while spawning three miniature True Eyes of Cthulhu. They attack by firing Phantasmal Bolts, Phantasmal Spheres, and a Phantasmal Deathray respectively.
  • Mutant maneuvers beneath the player while twirling around The Penetrator, spawning Phantasmal Eyes that home in on the player, and then charges at the player five times. Each dash leaves behind a homing trail of Phantasmal Spheres.
  • Mutant stops in place and fires short-ranged Phantasmal Spheres around it in two circular waves. These Phantasmal Spheres emit a warning laser and then fire a miniature Phantasmal Deathray outwards.
  • Mutant immediately follows up the previous attack by firing several spirals of Phantasmal Eyes around itself.
  • Mutant creates a large sword of Phantasmal Spheres and swings it at the player.

Second stage[edit | edit source]

As with the first phase, Mutant follows a set pattern that loops after the final attack:

  • Mutant fires three circular waves of Phantasmal Deathrays.
  • Mutant twirls the Penetrator, spawning Phantasmal Eyes, and then dashes five times. Each dash predicts the player's movement and produces a lingering Phantasmal Deathray.
  • Mutant fires a five-armed spiral of Phantasmal Eyes. The spiral spins faster over time, forcing the player to dodge between individual eyes instead of following the spiral.
  • Mutant creates three clones akin to the Brain of Cthulhu's second phase in Expert Mode. Each Mutant creates a Celestial Pillar and throws it at the player in turn, which explodes into a spread of their respective Celestial Fragment. The real Mutant always attacks last, and the arena is completely still during this attack.
  • Mutant sprays a set of eight teal sickles around itself three times. Each sickle explodes into another spread of eight accelerating sickles.
  • Mutant twirls the Penetrator, spawning Phantasmal Eyes, and then dashes five times. Each dash no longer leads the player but produces both a lingering Phantasmal Deathray and a trail of homing Phantasmal Spheres.
  • Mutant spawns five miniature Destroyers that chase the player as it performs its next attack.
  • Mutant levels the Penetrator at the player and throws it five times. Each attack leads the player's movements and leaves behind a long Phantasmal Deathray.
  • Mutant builds up power and then creates a fan of red lasers sweeping around itself. The only safe area during this attack is either directly above the Mutant or below him, indicated by a red aura appearing all around them except at the safe spot. During the fan of lasers, Mutant rains down a barrage of Skeletron Prime heads beneath itself signaled by a column of red crosshairs, forcing the player to stay in the tight gap between the lasers and Prime heads.

In Expert Mode, Mutant's pattern loops after the above attack. In Eternity Mode, he instead continues with the following set of attacks:

  • Mutant spawns 6 Duke Fishrons either above and below the player or to their left and right, which then dash into the player.
  • Mutant repeats the 3 miniature True Eyes of Cthulhu attack from below the player.
  • Mutant slows to a halt and creates a short-ranged aura around itself as it tosses a large bomb into the air. The bomb gradually falls and then detonates, completely covering everywhere outside the aura with explosions.
  • Mutant points Slime Rain at the player while reticles telegraph the rain of slime, with a small gap for the player to safely hide in. This is repeated three times.
  • Mutant repeats the Duke Fishron attack.
  • Mutant fires an immense amount of Phantasmal Spheres that radiate out in overlapping spiral streams.
  • Mutant repeats the thrown Penetrator attack without leading. Each attack leaves both a trail of homing Phantasmal Spheres and a Phantasmal Deathray.
  • Mutant creates two large rings of Crystal Leaves, much like Plantera in Eternity Mode, while repeatedly throwing Retirangs and Spazmarangs in large arcs. The rings of Crystal Leaves fly at the player after a short delay.

Third stage[edit | edit source]

Upon reaching 1 health in Eternity Mode, Mutant clears all projectiles on the screen, becomes invincible and launches a final desperation attack:

  • Mutant flies over the player and fires three rapid, dense circular waves of Phantasmal Deathrays.
  • Mutant fires an extremely large amount of spiraling Phantasmal Sphere streams.
  • Mutant fires eight accelerating spirals of Phantasmal Eyes.
  • Mutant emits several rings of Phantasmal Spheres that rotate in opposite directions. As it continues creating the rings, Mutant fires a supermassive Phantasmal Deathray and tracks the player with it, sweeping the ray around in a full circle.

After completing all of its desperation attacks, all the projectiles will vanish. If there are no living players nearby, Mutant will leave and despawn without dropping any rewards. Otherwise, Mutant will explode into a massive ray of light before fading away and reverting back to the Mutant town NPC, dropping its rewards.

Debuffs[edit | edit source]

Source Debuffs
Mutant (boss) (Fargo's Mod).png All attacks Fargo's Mod/Mutant FangMutant Fang
Fargo's Mod/Oceanic MaulOceanic Maul
Fargo's Mod/Curse of the MoonCurse of the Moon
Mutant (boss) (Fargo's Mod).png Outside of Mutant's Aura Fargo's Mod/God EaterGod Eater
Phantasmal Sphere.gif Phase 2 Fargo's Mod/Mutant PresenceMutant Presence
Stardust Enchantment (Fargo's Mod).png When the player attempts to stop time Fargo's Mod/Time FrozenTime Frozen

Aftermath[edit | edit source]

  • The Mutant town NPC gains the stats of its boss version and begins to defend itself by throwing The Penetrator at nearby enemies.
  • Screm Painting becomes available by killing the Painter while the Mutant boss is alive.

Notes[edit | edit source]

  • Mutant's Phantasmal Deathray in its desperation attack ignores immunity frames.
  • Mutant is immune to Stardust Enchantment's Time Stop. Attempting to stop time during the battle will freeze the player without affecting Mutant itself (though affecting his projectiles).
  • If the player has the Calamity Mod installed, Mutant will gain the following attributes:

Trivia[edit | edit source]

Yharim Boss (Fargo's Mod).png
Map Icon Yharim (Fargo's Mod).png
Mutant's sprite as seen during April Fools 2020
  • The music that plays during Mutant's boss battle is Red Steel by Sakuzyo.
  • While the Mutant is in Phase 2, the screen will be tinted a teal color. This shader will gradually gain more opaque and rapidly moving lines will also gradually become visible in the background as Mutant nears death.
  • Several of Mutant's attacks are directly borrowed from various bosses from other games:
    • The Phantasmal Deathray ring is borrowed from the second part of Void's Pleasant Dream attack from Kirby Star Allies.
    • The spiral barrage of Phantasmal Eyes is borrowed from Yukari Yakumo's spell card "Border Sign 'Boundary of Wave and Particle'" from Touhou Project: Shoot the Bullet.
    • The spiral streams of Phantasmal Spheres is borrowed from one of Utsuho Reiuji's non-spell card attacks from Touhou Project: Subterranean Animism.
    • Mutant's final desperation attack is borrowed from Marisa Kirisame's signature "Love Sign 'Master Spark'" from the Touhou Project series.
  • Mutant's defeat animation is a reference to the character Raoh from Fist of the North Star, who dies in a similar fashion.
  • Mutant's sprite was temporarily changed to Yharim from the Calamity Mod for April Fools 2020.
  • If the Boss Checklist Mod is installed, the Mutant's unique despawn message will be "Mutant has eviscerated everyone under its hands."

History[edit | edit source]

  • 1.1.1: Now drops Mutant Trophy.
  • 1.0.0: Introduced.
Fargo's Soul Mod:
Slime King's Slasher (Fargo's Mod).png Weapons • Squeaky Toy (Fargo's Mod).png Accessories • True Mutant Body (Fargo's Mod).png Armor • Sands of Time (Fargo's Mod).png Tools • Celestial Seal (Fargo's Mod).png Consumables • Top Hat Squirrel (Fargo's Mod).png Town NPCs • Mutant's Gift (Fargo's Mod).png Eternity Mode • Forbidden Enchantment (Fargo's Mod).png Guides