Difference between revisions of "Hydra"

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(Tips & Tricks)
(an exponentially growing hydra? What is this, hydra slayer?)
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Hydras cannot [[fly]], but they swim quickly through water. Lava will effectively stop them, however.
 
Hydras cannot [[fly]], but they swim quickly through water. Lava will effectively stop them, however.
  
While exploring the bottom floor of the Swamp, beware [[the Lernaean hydra]]. This [[unique]] hydra is exponentially more lethal than normal.
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While exploring the bottom floor of the Swamp, beware [[the Lernaean hydra]]. This [[unique]] hydra is much more lethal than normal.
  
 
==Tips & Tricks==
 
==Tips & Tricks==

Revision as of 02:57, 19 February 2014

Version 0.13: This article may not be up to date for the latest stable release of Crawl.
hydra DHydra.png
HP 55-89
HD 13
XP 976
Speed 10 (swim: 60%)
AC 0
EV 5
Will 52
Attack1 18 (bite: plain) per head


Resistances rPois+, rDrown
Vulnerabilities None
Habitat Amphibious
Intelligence Reptile
Uses Uses nothing
Holiness Natural
Size Big
Type hydra, hydra
Flags Cold-blooded
Regenerates
A great and nightmarish lacertilian beast. It has many heads, and the potential to grow many more!


Hitting it with any cutting weapon bigger than a dagger or a quick blade risks lopping a head off, which, considering hydra's unique biology, is not what you want unless the blade is hot enough to cauterize the wound. Even a troll's claws may be enough to rip hydra heads.

For a list of all dragon-like creatures, see list of dragons.


Useful Info

Hydras are notoriously dangerous melee monsters found most often in the Lair and the Swamp. They begin life with 4-8 heads, but grow two more and heal significantly whenever they lose one. This usually happens when a player or trap deals slashing damage to it, and careless use of claws, axes, or swords can result in prolonged and deadly combat. Any such attack that deals 1-3 damage has a 50% chance of removing a head, while 4+ will always do so.

Fortunately, there are ways to hurt them without them growing stronger. Blunt and piercing weapons injure them as normal, and flaming edged weapons will remove heads and cauterize the wound, preventing the normal regrowth. Ranged weapons (except for thrown hand axes) and spells also function without issue.

Hydras cannot fly, but they swim quickly through water. Lava will effectively stop them, however.

While exploring the bottom floor of the Swamp, beware the Lernaean hydra. This unique hydra is much more lethal than normal.

Tips & Tricks

  • Hydras with additional heads only get more attacks per turn, not more HD, XP, or MR.
  • Hydras max out at 20 heads, at which point they get 20 individual melee attacks per turn. Don't let this happen.
  • If you manage to get a hydra to 0 heads, it dies instantly regardless of how much HP it had left.
  • The Summon Hydra spell lets you call a friendly 4-9 headed hydra to fight for you, but only for a brief time.
  • They have poison resistance, so poison and Mephitic Cloud won't work.
  • If attempting to escape, remember that hydras cannot open doors.
  • Here are some tips for edged-weapon users:

The following methods do not work:

  • Polymorph: Hydras have high HD, and often turn into even toughter monsters. Storm dragons are a particularly common result.
  • Low-Skill Archery: Hydras regenerate quickly; any method which relies on whittling down its HP will likely fail.
  • Stair dancing: Climbing up or down stairs next to a hydra will give it a few free hits, which is possibly all it needs to kill you.
  • Berserk With an Edged Weapon: While you may be able to deal more damage than the hydra can heal per hit, its damage output will be growing, and ending your berserk slowed and wounded next to an even stronger hydra than you started with is not ideal.
  • Haste, when in the Swamps: Hydras' speed advantage in water will mean you probably cannot outrun them.

Undead Hydras

Hydra corpses that are raised as zombies or skeletons will have the same number of heads as the corpse; zero-headed corpses cannot be raised this way. Hydra simulacra may have more or less heads. In either case, you can slice their heads off as with normal hydras, but they will never grow back, even if a non-flaming weapon is used. Note that hydra simulacra can have horrifyingly high damage output if you lack cold resistance: +13-38 cold damage per head.

Spectral hydras created with Death Channel will have the same number of heads as the hydra when it died, but these can't be cut off.

Any of these undead hydras can be found as enemies throughout the dungeon, especially in the pestilence ending of the Swamp.

History

Prior to 0.12 hydras were not cold-blooded creatures, except the Lernaean hydra.