Nupperibo

A nupperibo is a monster added in SLASH'EM and dNetHack.

SLASH'EM

i nupperibo
Difficulty	9
Attacks	Claw 3d4 poison

i nupperibo
Difficulty	9
Attacks	Claw 3d4 poison
Base level	7
Base experience	106
Speed	12
Base AC	0
Base MR	20
Alignment	−7 (chaotic)
Frequency (by normal means)	1 (Very rare)
Genocidable	Yes
Weight	20
Nutritional value	10
Size	Tiny
Resistances	None
Resistances conveyed	None
A nupperibo: regenerates HP quickly. does not eat. (*) wanders randomly. can follow you to other levels. has infravision. can be seen through infravision. may turn against you when tame.
Reference	SLASH'EM_0.0.7E7F2/monst.c#line907

Like dretches, rutterkin, and blood imps, nupperibos are minor demons that are broadly similar to imps, sharing their speed and regenerative abilities but having a different base level and attacks. Nupperibos have a decently powerful poison-branded attack, but appear late enough that the player will likely have MC3 or poison resistance before meeting them.

dNetHack

Nupperibo

i nupperibo
Difficulty	6
Attacks	Weapon 1d2 physical, Weapon 1d2 physical

i nupperibo
Difficulty	6
Attacks	Weapon 1d2 physical, Weapon 1d2 physical
Base level	4
Base experience	51
Speed	4
Base AC	6
Base MR	4
Alignment	8 (lawful)
Frequency (by normal means)	1 (Very rare)
Genocidable	Yes
Weight	150
Nutritional value	100
Size	small
Resistances	poison
Resistances conveyed	poison
A nupperibo: has a head, a couple of arms, and a torso. regenerates HP quickly. is poisonous to eat. does not eat. (*) is a demon. is neither male nor female. is normally generated hostile. wanders randomly. can follow you to other levels. can pick up weapons and food. can be seen through infravision. appears only in Gehennom. normally appears in large groups. never leaves a corpse. resists death magic. cannot be tamed.

Nupperibos are rare, weak minor demons. Their most notable trait is the forms they grow into.

Metamorphosed nupperibo

i metamorphosed nupperibo (No tile)
Difficulty	15
Attacks	Tentacle 1d10 constitution drain, Tentacle 1d10 constitution drain, Tentacle 1d10 constitution drain, Tentacle 1d10 constitution drain, Tentacle 1d10 constitution drain, Tentacle 1d10 constitution drain

i metamorphosed nupperibo (No tile)
Difficulty	15
Attacks	Tentacle 1d10 constitution drain, Tentacle 1d10 constitution drain, Tentacle 1d10 constitution drain, Tentacle 1d10 constitution drain, Tentacle 1d10 constitution drain, Tentacle 1d10 constitution drain
Base level	8
Base experience	136
Speed	8
Base AC	2
Base MR	8
Alignment	8 (lawful)
Frequency (by normal means)	0 (Not randomly generated)
Genocidable	Yes
Weight	750
Nutritional value	100
Size	small
Resistances	fire, cold, poison
Resistances conveyed	poison
A metamorphosed nupperibo: can survive underwater. does not breathe. has a head, a couple of arms, and a torso. regenerates HP quickly. is poisonous to eat. does not eat. (*) is a demon. is neither male nor female. is normally generated hostile. wanders randomly. can follow you to other levels. can be seen through infravision. appears only in Gehennom. normally appears in large groups. never leaves a corpse. resists death magic. cannot be tamed.

The constitution-draining effect of metamorphosed nupperibos is not poisonous in nature, so poison resistance will not protect you. It is, however, blocked by magic cancellation. Against other monsters, these attacks deal an extra 1d10 damage.

Ancient nupperibo

i ancient nupperibo (No tile)
Difficulty	20
Attacks	Tentacle 1d15 constitution drain, Tentacle 1d15 constitution drain, Tentacle 1d15 constitution drain, Tentacle 1d15 constitution drain, Passive 4d10 barbs, Arrow 1d4 paralysis

i ancient nupperibo (No tile)
Difficulty	20
Attacks	Tentacle 1d15 constitution drain, Tentacle 1d15 constitution drain, Tentacle 1d15 constitution drain, Tentacle 1d15 constitution drain, Passive 4d10 barbs, Arrow 1d4 paralysis
Base level	12
Base experience	312
Speed	12
Base AC	−2
Base MR	12
Alignment	12 (lawful)
Frequency (by normal means)	0 (Not randomly generated)
Genocidable	Yes
Weight	3000
Nutritional value	400
Size	large
Resistances	fire, cold, poison, petrification
Resistances conveyed	poison
An ancient nupperibo: can survive underwater. does not breathe. regenerates HP quickly. is poisonous to eat. does not eat. (*) is a demon. is neither male nor female. is normally generated hostile. wanders randomly. can follow you to other levels. appears only in Gehennom. normally appears in large groups. never leaves a corpse. resists death magic. cannot be tamed.

The constitution-draining effect of ancient nupperibos is not poisonous in nature, so poison resistance will not protect you. It is, however, blocked by magic cancellation. Against other monsters, these attacks deal an extra 1d10 damage.

At range, ancient nupperibos fire volleys of 1d4 bone darts coated with paralysis poison.

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