While Brake of Thorns is in the staging area, add (|) to each Fortitude test.

Forced: After Brake of Thorns becomes the active location, each player assigns X damage among characters he controls, where X is the tens digit of his threat dial.

(|)

They had a struggle to get out of the thicket. The thorns and briars were as tough as wire and clinging as claws.
–The Return of the King