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Blackbane by Yen Shu Liao.jpg
Type Plant, Poison
Native to Unclaimed Hills
World Roshar
Universe Cosmere
Featured In The Stormlight Archive

Blackbane is poisonous plant that grows on Roshar.[1] Blackbane leaves only become deadly once they have been dried.

Appearance and Anatomy[edit]

Blackbane has narrow, dark green leaves. It's tip is divided into three points.[2] The stem of the plant resembles a trefoil prong. [1]


Dried blackbane leaves are poisonous. Ingesting them causes paralysis which in turn keeps the victim from being able to breathe. The dried leaves are said to become more potent the longer they are aged.[3]


During his time in Tvlakv's slave caravan, Kaladin managed to find a blackbane plant and hid a few leaves in a makeshift belt. One night he had taken them out to contemplate what he planned to do with them thinking of either trying to poison Tvlakv or committing suicide. He ended up accidentally crushing and subsequently losing them in his anger over Tvlakv's execution of a sick slave. Syl was curious about the leaves but Kaladin was reluctant to tell her anything[1]. Later, Syl tracks down a blackbane leaf for Kaladin in a misguided attempt to cheer him. She gets back with it as Kaladin is getting ready to give up and jump into the Honor Chasm. She was unaware that blackbane is poisonous, but had noticed that Kaladin seemed to become depressed after losing the leaves. She hoped that having a new one would cheer him up and renew his desire to fight.[4] Thanks to this kind (though misguided) action on Syl's part, Kaladin decides against jumping and returns to Bridge Four with renewed purpose.

Wikim gave Shallan the bag of dried blackbane that he had been carrying for over a year, to indicate that he no longer wanted to kill himself due to her compassion in directing his study.[3] She eventually used it in an attempt to kill her father Lin after he killed his wife Malise Gevelmar.[5]

The tip of the darts fired at Taln during his kidnapping from the warcamp monastery were blackbane.[6]


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Chaos2651 (talk) 23:53, 20 March 2019 (MST)