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Giant leeches were a monstrous variety of the mundane, segmented worms of the same name.[4][6]

Description[]

These creatures had slimy, slug-like bodies that were either mottled brown or tan in hue, or occasionally gray. Their bodies measured 2​ to ​5 feet (0.61​ to ​1.5 meters) in length and had two antennae that protruded from their mouths.[2] They had a round, sucker-like orifice for a mouth that allowed them to attach themselves to their prey.[1]

On land these creatures moved very slowly in an inch-worm fashion, stretching forward and forward and attaching its anterior disk to the ground before doing the same with their posterior disk. They were even capable of climbing vertical and overhanging surfaces. When swimming however, giant leeches moved at a rapid pace and their bodies undulated vertically.[5]

Behavior[]

Giant leeches never attacked for the sake of self-defense, only to feed. Whenever injured, they would attempt to flee the area.[5]

Biology[]

Being an invertebrate species, giant leeches could squeeze their bodies through very small spaces. Even those who were rather larger were capable of this feat.[5]

Senses[]

Sight
Like many species of invertebrate, giant leeches had a set of ocelli in place of normal eyes. These were a group of light receptive cells that could register changes in light intensity, though not actual images. Because of this, giant leeches often reacted to changes in nearby light.[5]
Scent
Giant leeches had a keen sense of smell and could easily home in on or avoid certain creatures or substances, such as a bleeding animal. Their smell senses were sensitive to certain chemicals, even in small amounts.[5]
In Water
Giant leeches were very sensitive to vibrations, easily becoming restless, and would attempt to locate the source of the disturbance. They also were sensitive to traces of metal in their water, with copper being the most fatal.[5]
When Feeding
When attached to prey, giant leeches were unresponsive to most outside stimuli. The presence of ashes, fire, dehydrating substances, and especially salt would make them quickly release their grasp on a creature.[5] They were highly vulnerable to salt and the application of sufficient amounts could even kill them.[4] Because of this, giant leeches generally avoided surfaces covered in the mineral.[5]

Saliva[]

Giant leeches had viscous saliva that was hard to remove without alcohol or a similar liquid.[6] Their saliva had anesthetic properties, making it so that the creatures they attacked felt no pain and thus ensured they went unnoticed.[4][2][1][6] This effect of their saliva was felt by their prey immediately upon contact.[6]

The saliva of these creatures also contained an anti-coagulant and a substance known as a vasodilator that would enlarge blood vessels near wherever they bit. These induced a state of increased blood flow in their prey, ensuring that blood continued to flow from their bite for a duration longer than that of a normal wound.[6] Their saliva also contained antibiotics, which made infections from their bites a rare occurrence.[5]

Additionally, some varieties of giant leech had a substance within their saliva that would dissolve any pre-existing blood clots.[6] When inside their digestive tract, blood did not coagulate.[5]

Reproduction[]

Giant leeches were a hermaphroditic species, though they could not fertilize their own eggs. Some species laid them in cocoons, which they would attach to something underwater or bury within ooze. Others were known to carry their eggs around in a membranous sac on their underside.[5]

Combat[]

These creatures took a stealthy and relaxed approach to hunting. Resting their bodies upon underwater plants and objects,[5] or hiding within the mud or slime typical of their habitats, and waited to strike upon any prey that came within 3 feet (0.91 meters) of them. They sucked the blood from creatures they attacked and were only rarely noticed.[4][2][1] Those bitten by giant leeches had a moderate chance of contracting some form of disease,[4][2] in particular red ache.[1]

History[]

In 1357 DR[7] and up to 1368 DR, giant leeches could occasionally be found in the sewers beneath Waterdeep.[8]

Around the 14th century DR, a healer in Skullport by the name of Leech employed tamed giant leeches to remove poisons from peoples' bodies.[9]

GiantLeech-1e

A mischievous leprechaun rides atop a rowdy giant leech.

Ecology[]

Diet[]

Much like their smaller counterparts, giant leeches primarily ate blood. Though some species were predacious, eating animals[5] such as frogs and eels,[6] and even the parasitic variety would engage in such eating habitats on occasion. Beyond that, there were some species of giant leech that fed upon carrion.[5]

They generally hunted at night[4][6] or whenever it was raining, in order to ensure that their bodies stayed moist.[6] Once fed, they could go a whole month without feeding again and they could not be convinced to consume more once full. Because of this, they tended to shelter themselves after eating in a secure place where they could remain inactive for a period.[5]

Habitats[]

These creatures were only known to be found in the waters of swamps and marshes.[4][2]

In Faerûn, they inhabited the Mere of Dead Men,[10][11][12] the Great Swamp of Rethild,[13] the Stump Bog,[14] the temperate swamps of Cormyr[15] such as the Vast Swamp,[16] temperate areas of the Sea of Fallen Stars,[17] and the Lake of Steam.[18][19] They were also quite prevalent in the marshes of High Moor, where they were found hunting in packs,[20] and in the forests of Vaasa.[21]

In the Unapproachable East, giant leeches could be found within the Umber Marshes of Aglarond,[22] as well as around that nation's coastal regions.[23]

Beyond Faerûn they could be found in temperate bodies of freshwater in Kara-Tur.[24] Including the swamps of the Kutuk Valley in Shou Lung[25] and the swamp Shibinuma in Kozakura.[26] They could also be found in the many swamps of Maztica,[27] and the island of Djinni's Claws.[28]

Beyond Toril, giant leeches inhabited the marshes and swamps of the planet Oerth.[29] Beyond the Prime Material plane, giant leeches could be found in the Outlands in the marsh that surrounded the gate-town of Torch.[30]

Relationships[]

Giant snapping turtles and giant gars were two of many animals known to prey upon giant leeches. Of more intelligent creatures, kobolds were occasionally known to hunt down and roast them on a spit like one would a lamb.[6] Some claimed that bullywugs within the Mere of Dead Men would use them as mounts.[12]

Prior to Mintar's takeover by worshipers of Bane, the hunting of these creatures was a favorite sport among nobility. They would lure them to the surface with blood or raw meat, then either the noble or a hired leech-hunter would spear them with small, barbed harpoons. Those who brought in the largest of leeches during any of the city-state's several fishing festivals would earn much accord.[19]

Some swamp-dwelling creatures would use spider webs to help bites from giant leeches to clot faster.[5]

Some nereids were known to keep giant leeches as pets.[31]

Usage[]

Some creatures would hunt down giant leeches, seeking to make poisons from their saliva.[32] Others used them as containers for blood, since the substance didn't coagulate inside their digestive trat.[5]

Appendix[]

Notes[]

  1. The 2nd edition alignment given in the original source is "Nil", which should be read as Neutral according to this Sage Advice answer by Skip Williams in Dragon Magazine Issue #155: "The nil alignment rating is a holdover from an early draft of the Monstrous Compendium material. Originally, a rating of nil indicated that a creature was not intelligent enough to have an alignment at all. However, the nil rating was dropped during rewriting and should have been replaced with the neutral alignment."

Appearances[]

References[]

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 Richard Baker, Joseph D. Carriker, Jr., Jennifer Clarke Wilkes (August 2005). Stormwrack. Edited by John D. Rateliff, John Thompson. (Wizards of the Coast), pp. 154–155. ISBN 0-7869-3689-4.
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 David "Zeb" Cook, et al. (1989). Monstrous Compendium Volume Two. (TSR, Inc). ISBN 0-8803-8753-X.
  3. Skip Williams (March 1990). “Sage Advice”. In Roger E. Moore ed. Dragon #155 (TSR, Inc.), p. {Template:1.
  4. 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 Gary Gygax (December 1977). Monster Manual, 1st edition. (TSR, Inc), p. 60. ISBN 0-935696-00-8.
  5. 5.00 5.01 5.02 5.03 5.04 5.05 5.06 5.07 5.08 5.09 5.10 5.11 5.12 5.13 5.14 5.15 5.16 5.17 Anthony Gerard (July 1987). “The Ecology of the Giant Leech”. In Roger E. Moore ed. Dragon #123 (TSR, Inc.), p. 52.
  6. 6.0 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 Anthony Gerard (July 1987). “The Ecology of the Giant Leech”. In Roger E. Moore ed. Dragon #123 (TSR, Inc.), p. 51.
  7. Ed Greenwood (1987). Waterdeep and the North. (TSR, Inc), p. 27. ISBN 0-88038-490-5.
  8. Ed Greenwood and Steven E. Schend (July 1994). “Campaign Guide”. City of Splendors (TSR, Inc), p. 63. ISBN 0-5607-6868-1.
  9. Joseph C. Wolf (1999). Skullport. (TSR, Inc), pp. 35–36. ISBN 0-7869-1348-7.
  10. Jason Kuhl (July/August 1998). “Slave Vats of the Yuan-ti”. In Christopher Perkins ed. Dungeon #69 (Wizards of the Coast) (69)., p. 14.
  11. Paul Culotta (January/February 1999). “Mistress on the Mere”. In Christopher Perkins ed. Dungeon #72 (Wizards of the Coast) (72)., pp. 73–74.
  12. 12.0 12.1 Ed Greenwood and Sean K. Reynolds (May 1999). “Wyrms of the North: Voaraghamanthar, "the Black Death"”. In Dave Gross ed. Dragon #258 (TSR, Inc.).
  13. Thomas Reid (October 2004). Shining South. (Wizards of the Coast), p. 98. ISBN 0-7869-3492-1.
  14. Ed Greenwood (December 1987). “Welcome to Waterdeep”. In Roger E. Moore ed. Dragon #128 (TSR, Inc.), p. 14.
  15. John Terra (November 1997). Four from Cormyr. Edited by Kim Mohan. (TSR, Inc.), p. 127. ISBN 0-7869-0646-4.
  16. James Butler, Elizabeth T. Danforth, Jean Rabe (September 1994). “Explorer's Manual”. In Karen S. Boomgarden ed. Elminster's Ecologies (TSR, Inc), p. 21. ISBN 1-5607-6917-3.
  17. James Butler, Elizabeth T. Danforth, Jean Rabe (September 1994). “Explorer's Manual”. In Karen S. Boomgarden ed. Elminster's Ecologies (TSR, Inc), p. 27. ISBN 1-5607-6917-3.
  18. Ed Greenwood, Sean K. Reynolds, Skip Williams, Rob Heinsoo (June 2001). Forgotten Realms Campaign Setting 3rd edition. (Wizards of the Coast), p. 151. ISBN 0-7869-1836-5.
  19. 19.0 19.1 Steven E. Schend, Dale Donovan (September 1998). Empires of the Shining Sea. Edited by Julia Martin. (TSR, Inc.), p. 139. ISBN 0-7869-1237-5.
  20. Tim Beach (October 1995). “The High Moor”. In Julia Martin ed. Elminster's Ecologies Appendix II (TSR, Inc), p. 21. ISBN 0786901713.
  21. Paul Culotta (May/June 1995). “Steelheart”. In Wolfgang Baur ed. Dungeon #53 (TSR, Inc.) (53)., p. 57.
  22. Anthony Pryor (June 1995). “Campaign Guide”. In Michele Carter, Doug Stewart eds. Spellbound (TSR, Inc.), p. 59. ISBN 978-0786901395.
  23. Aglarond Encounters Charts included in Anthony Pryor (June 1995). Spellbound. Edited by Michele Carter, Doug Stewart. (TSR, Inc.). ISBN 978-0786901395.
  24. Gary Gygax, David Cook, and François Marcela-Froideval (1985). Oriental Adventures. (TSR, Inc), p. 114. ISBN 0-8803-8099-3.
  25. Curtis Smith, Rick Swan (May 1990). Ronin Challenge. Edited by Jon Pickens, Steve Winter. (TSR, Inc.), p. 56. ISBN 0-88038-749-1.
  26. Mike Pondsmith, Jay Batista, Rick Swan, John Nephew, Deborah Christian (1988). Kara-Tur: The Eastern Realms (Volume II). (TSR, Inc), p. 138. ISBN 0-88038-608-8.
  27. Jeff Grubb and Tim Beach (September 1991). Fires of Zatal. (TSR, Inc), p. 19. ISBN 1-5607-6139-3.
  28. David Cook (October 1992). “The Djinni's Claws”. In Bill Slavicsek ed. Golden Voyages (TSR, Inc.), p. 2. ISBN 978-1560763314.
  29. Grant Boucher, William W. Connors, Steve Gilbert, Bruce Nesmith, Christopher Mortika, Skip Williams (April 1990). Monstrous Compendium Greyhawk Adventures Appendix. Edited by Mike Breault. (TSR, Inc.), pp. 62–62. ISBN 0-88038-836-6.
  30. Colin McComb, Monte Cook (July 1996). “War Games”. In Ray Vallese ed. Hellbound: The Blood War (TSR, Inc.), p. 43. ISBN 0-7869-0407-0.
  31. Doug Stewart (June 1993). Monstrous Manual. (TSR, Inc), p. 104. ISBN 1-5607-6619-0.
  32. Anthony Gerard (July 1987). “The Ecology of the Giant Leech”. In Roger E. Moore ed. Dragon #123 (TSR, Inc.), p. 50.
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