Lorick #121:

For pilgrims we guarded the way,

'til a covetous king made us prey.

Heinous charges - contrived,

brought us down. Few survived.

Underground we still thrive, truthers say.

But first, we solve #122 - here it is one last time:

I'm a place you're unlikely to find.

My great knowledge, by my fall, left behind.

I was built from a lie -

a fable, gone awry...

now I lurk in the depths and the mind