Pausing to note that my Opera browser says the HTTPS
certificate thingy for
wiki.lspace.org expired "yesterday"
- slightly suspicious - its Google cached version says,
"Ku: Mentioned in _Eric_, this continent sank into the
sea over a period of 30 years, parodying Atlantis
[or perhaps Mu]. Apparently the most embarrassing
continental collapse ever, as the population soon
adapted to having to wade...."
"Kuian rain-making rituals" which "apparently only ever
worked on Ku" also are mentioned. I may be remembering
this as an instance of utterly useless knowledge favoured
in Unseen University over getting carried away doing magic
that causes actual trouble, but here it's mentioned in
the context of the very gradual fall of Ku; however,
another interpretation I can make is that Ku didn't fall,
the sea rose due to conjuration of rain water (perhaps
they thought it was a sustainable energy source) and this
caused the present condition of the Disc Rim, where the
excess water continues to slop over.
...some of this may be yours?