Source: Darklands Revisited, pg(s). 44
Gruunshuuga is an enterprising neothelid who left Golarion for the Abyss, where it found shelter within Jeharlu, divine realm of the demon lord Cyth-V'sug. It now spawns clutches of fiendish seugathi and sends them on missions across the Great Beyond. Cyth-V'sug encourages this, as Gruunshuuga's spawn also serve him.