"It was devastating enough to be dumped from their homeworlds like out-of-season sandals, but to end up on such dismally dull worlds as Naboo and Monastery?"
In 22 BBY, shortly before the Clone Wars, Monastery opened itself to refugees of the Separatist crisis provided they agreed to convert to the Order. The Order accepted beings of any gender or species. During the Clone Wars the planet was located within Separatist space.[1]
The House of Tagge sent Domina Tagge to the planet to join the Order. Domina's brothers thought doing so would preserve her innocence and keep her from becoming a pawn in Imperial and corporate political struggles.
Monastery was home to a number of dangerous creatures, such as the Nightshrike, and the Saber cat. Saber cats were able to be tamed, and the Order of the Sacred Circle kept several as pets. While on Monastery, Luke Skywalker was attacked by both a Nightshrike and a Saber cat, revealed to have been manipulated by Domina Tagge.