User blog comment:IceFireWarden0/Speculations for Season 11/@comment-89.201.139.142-20130719091004

So Caboose found something alive in the cave. He tries to FIX it with a tool and when he tried it made an electric shock. He also has to kneel to interact with it.

Promethean Crawler anyone?

Don't care why or how is it there, just think it's the most logical solution.