Umber hulk (monster class)
The umber hulk is a monster class in NetHack represented by an uppercase U glyph (U). Umber hulks are designated internally by the macro S_UMBER.[1]
The umber hulk is the only member of the monster class.[2]
History
The umber hulk first appears in Hack for PDP-11, a variant of Jay Fenlason's Hack, and is included in the initial bestiary for Hack 1.0.
Variants
Some variants opt to further populate the umber hulk monster class, and may even repurpose it to add existing monsters.
SLASH'EM
SLASH'EM adds the water hulk, a type of hulk that has the same attack dice, but can also swim and is only found in Gehennom.
dNetHack
In xNetHack, this monster class is replaced by the unknown abomination, which uses the same glyph and includes the umber hulk as part of the monster class.
xNetHack
In xNetHack, this monster class is replaced by the aberration, which uses the same glyph and includes the umber hulk as part of the monster class.
SlashTHEM
In addition to the water hulk, SlashTHEM adds the umbral hulk and hunger hulk, variants of the umber hulk with gaze attacks that can blind you or drain your nutrition, respectively. SlashTHEM also has the terror hall special room, which is populated by various hulks.