Parasitic mind flayer

w parasitic mind flayer (No tile)
Difficulty	7
Attacks	Tentacle 1d4 int drain

w parasitic mind flayer (No tile)
Difficulty	7
Attacks	Tentacle 1d4 int drain
Base level	6
Base experience	100
Speed	6
Base AC	6
Base MR	30
Alignment	0 (neutral)
Frequency (by normal means)	0 (Not randomly generated)
Genocidable	Yes
Weight	140
Nutritional value	100
Size	tiny
Resistances	poison resistance
A parasitic mind flayer: can fly. has no hands. has no limbs. has no head. has a slithy or serpent-like body. can see invisible creatures. does not eat. (*) is normally generated hostile. can be seen through infravision.

A parasitic mind flayer, w, is a type of monster that appears in dNetHack, notdNetHack and notnotdNetHack. The parasitic mind flayer is a tiny worm-like illithid that has developed differently from others of its kind as a result of attaching to an inorganic creature: it is a primordial that has telepathy, darksight and R'lyehian vision, is capable of flight, can see invisible, and is visible via infravision, but since it has not assimilated the host body, it is slithy and lacks humanoid limbs unlike a normal mind flayer.

Parasitic mind flayers have 4 points of AC in the special category. Seeing a parasitic mind flayer causes the hero to lose sanity and increase their insight. The parasitic master mind flayer is a stronger variant of this monster that does not act as a growth stage to it, unlike the normal mind flayer that can grow up into a master mind flayer.

Parasitized androids, parasitized gynoids and parasitized operators all have a parasitic mind flayer embedded in their bodies. These monsters can be "deloused" or rid of the parasite through methods that will kill only the parasite without harming the host: death rays, digestion attacks and stoning will kill only the parasite and produce a tame counterpart of the formerly-parasitized monster, which also becomes crazed and confused as a result of the trauma from their "death".

Parasitic mind flayers have a single intelligence-draining tentacle attack and possess poison resistance, and they gain a halved base attack bonus of +0.5 to-hit per monster level.

Parasitic mind flayers can be warded by the Elder Sign at any level of reinforcement.

Generation

Parasitic mind flayers are not randomly generated, and normally created ones are always hostile.

The parasitized mind flayer is designated as the default pet for an Undead Hunter that starts the game as neutral (i.e. in service of the choir)—though Undead Hunters do not actually start with a pet, this is counted for purposes of casting the create familiar spell and similar methods of creating pets.

Two zombified parasitic mind flayers are generated on the home level of the Drow Healer quest during level creation.

Barrow wights generated in the future (i.e. the Anachrononaut quest and Android quest) have a ¹⁄₁₀ chance of generating with a 'statue' of a parasitic mind flayer embedded in their face, suggesting that they are the ghosts or animated husks of dead mind flayers.

"Delousing" a parasitized android, parasitized gynoid, or parasitized operator as described above will cause their parasitic mind flayer's corpse, statue or nothing to drop depending on the method used to kill the parasite.

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