Tyrant leech

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Version 0.31: This article is up to date for the latest stable release of Dungeon Crawl Stone Soup.

For a list of all worms, see list of worms.

tyrant leech wTyrant leech.png
HP 39-80
HD 12
XP 287
Speed 8 (swim: 60%)
AC 5
EV 15
Will 40
Attack1 35 (bite: vampiric)

Resistances rDrown
Vulnerabilities Holy
Habitat Amphibious
Intelligence Animal
Uses Uses nothing
Holiness Natural
Size Large
Type tyrant leech, tyrant leech
Flags Evil
No skeleton
An exceptionally aggressive blood-sucking annelid that thrives in swamps and marshlands.

Useful Info

Tyrant leeches are slow worms that have an unwholesome vampiric bite, healing themselves when they damage you. They are considered evil, but are not undead. They are generally only found in the Swamp or guarding its entrance.

Tips & Tricks

  • For characters with ranged attacks, the easiest strategy is to simply kite them at range - they move on land slowly. Otherwise, they hit fairly hard and can heal themselves on a bite.
  • If you are unable to bleed, Tyrant leeches can't heal themselves. Djinn, Gargoyles, Mummies, bloodless Vampires, and players in Statue/Storm/Death Form don't have blood. In a pinch, Tree Form also doesn't have blood.
  • Each level of life protection gives you a 33% chance of negating the healing effect of vampiric attacks. rN+++ makes it completely ineffective.


  • Prior to 0.19, these monsters were known as giant leeches.
  • Prior to 0.11, giant leeches were much weaker.