The Coppermind has spoilers for all of Brandon's published works. Information about books that have not yet been released, like Stormlight 5, is allowed only on meta-pages for the books themselves. For more details, see our spoiler policy. To view an earlier version of the wiki without spoilers for a book, go to the Time Machine!
Ridgebark is a commonly used stimulant on Roshar. It is easy enough to acquire that it is chewed by street urchins.[1] Adolin chews ridgebark to stay awake and alert while guarding his father's room at night after Szeth's assassination attempt.[2]