2/7/21: This event seems to have been removed from the game.
Solitary (written by Shae Rossi) is an event in Wildermyth. One of the heroes leaves the group to get a little alone time, and discovers a mysterious door.
Call the rest of the party "Hey team! I might have found something!"
Continue being solitary "...Let's see what's behind door number 1."
A battle with combat modifiers.