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Scolex

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IsaacHDXxx form2Isaac Rebirth

Scolex

Scolex full

Boss Scolex


Offical artwork by Edmund McMillen
Statistics
Type
Health
Damage
{{{type}}}
{{{health}}}
{{{damage}}}
Floor(s)
The Womb
Related Bosse(s)
Pin
Effective Item(s)
N/A
Dropped Item(s)
Common Drops
WotL Common Drops

Scolex (also known as the Tapeworm from the artbook) is a large red tapeworm Boss which can be found in The Womb. He is an older version of Pin.

Behavior

Scolex's main method of attack is to pop out of the ground and jump at Isaac in an arc, and then burrowing back into the ground. He is completely immune to damage, except at the end of his red, blinking tail.

Scolex will also sometimes poke a part of his body out of the ground, exposing either his head or his tail. If it's his head, he will fire 3 IPECAC shots at Isaac and dive back into the ground. If it's his tail, he will fire multiple blood shots with varying sizes, similar to Monstro's attacks.

Scolex is hard to hit, but has the lowest health of all bosses in the game. However, if the player has Wrath of the Lamb installed, Scolex's health will be significantly buffed.

When Scolex pops out of the ground, if Isaac hit his tail, Isaac deal much more damage than when he exposes his tail and fire the blood shots.

Trivia

  • Page 29

    Scolex in the Artbook.

    Interestingly, Scolex's teeth (a sketch from the middle of the page in the artbook) look different.
  • Scolex is most likely heavily inspired by the Lanmola boss from The Legend of Zelda: A Link to the Past.
  • Scolex is the name for the head of a parasitic tapeworm.

Bugs

  • Should Isaac end up dying on Scolex, the game will freeze. Dying with 1-Up, Ankh, or Dead Cat will also freeze the player's game.
  • When Scolex fires IPECAC shots, one of the explosions can freeze and can be pushed around. When touching a frozen explosion, the player won't take any damage. This may also happen with a normal bomb during the battle.
    • When leaving and re-entering the room. The frozen explosion will turn into a troll bomb.
  • When Isaac use Bob's Rotten Head against him, poison clouds appear randomly around the level, but these are visual only. Once Isaac kill him, leaving the room and entering it again will have an activated bomb where the poison cloud last was.
  • If Little Gish hits Scolex and slows him and he jumps while slowed, he will not move, landing where he jumped. The same thing happens if Scolex (or Pin) is slowed by Spider's Bite.
  • In the credits, Scolex's sprite shifts between Pin's sprite and his own if the player has Wrath of the Lamb installed.

Videos


Bosses
Regular Bosses
Blastocyst button

Blastocyst
Brownie
Chub button

Chub
Daddy Long Legs button

Daddy Long Legs
Dangle
Dark One button

Dark One
Dingle button

Dingle
Duke of Flies button

The Duke of Flies
Fallen button

The Fallen
Fistula button

Fistula
Gemini button

Gemini
Gurdy button

Gurdy
Gurdy Jr button

Gurdy Jr.
Gurgling button

Gurglings
Haunt button

The Haunt
Larry Jr button

Larry Jr.
Little Horn
Loki button

Loki
Mama Gurdy button

Mama Gurdy
Mask of Infamy button

Mask of Infamy
Mega Fatty button

Mega Fatty
Mega Maw button

Mega Maw
Monstro button

Monstro
Mr Fred button

Mr. Fred
Peep button

Peep
Pin button

Pin
Polycephalus button

Polycephalus
Rag Man
Scolex button

Scolex
Turdlings
Widow button

Widow
Posthumous Bosses
Adversary button

The Adversary
Blighted Ovum button

The Blighted Ovum
Bloat button

The Bloat
Cage button

The Cage
Carrion Queen button

Carrion Queen
The Forsaken
The Frail
Gate button

The Gate
Hollow button

The Hollow
Husk button

The Husk
Lokii button

Lokii
Monstro II button

Monstro II
Teratoma button

Teratoma
The Stain
Wretched button

The Wretched
Alternative Bosses
CHAD button

C.H.A.D.
Gish button

Gish
Sister Vis button

Sisters Vis
Steven button

Steven
Triachnid button

Triachnid
Harbingers
Conquest button

Conquest
Death button

Death
Famine button

Famine
Headless Horseman button

Headless Horseman
Pestilence button

Pestilence
War button

War
Final Bosses
XXX button

???
Hush
Isaac button

Isaac
It Lives button

It Lives
Lamb button

The Lamb
Mega Satan button

Mega Satan
Mom button

Mom
Mom's Heart button

Mom's Heart
Satan button

Satan
Ultra Greed
Minibosses
Seven Deadly Sins
Envy button

Envy
Gluttony button

Gluttony
Greed button

Greed
Lust button

Lust
Pride button

Pride
Sloth button

Sloth
Wrath button

Wrath
Seven Super Deadly Sins
Envy button

Super Envy
Super Gluttony button

Super Gluttony
Super Greed button

Super Greed
Super Lust button

Super Lust
Super Pride button

Super Pride
Super Sloth button

Super Sloth
Super Wrath button

Super Wrath
Ultra Pride button

Ultra Pride
Angels / Demons
Krampus button

Krampus
Angel button

Gabriel
Angel button

Uriel
Angel button

Fallen Angels
LEGENDS: The Binding of Isaac bosses are yellow. Wrath of the Lamb bosses are teal. Rebirth bosses are orange. Afterbirth bosses are crimson. Afterbirth † bosses are violet.

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