Findings:

Here's the stuff we found when you searched for "darkened"

Darken
Darken Rahl
darkened star (user)
the cloud formed by your breath darkens my sight!
DARKEN RAHL (user)
Staring into a darkened sky
darkened rooms

If you Log in you could create a "darkened" node. If you don't already have an account, you can register here.