The following is based on Andrzej Sapkowski's non-Witcher lore so its exact relation to the Witcher universe remains unknown.

The Bohun Upas is a tree whose sap contains a virulent poison. The term can also refer to simply the poison extracted from the tree. Somehow this poison is used by manticores.


  • The Bohun Upas is a medieval mythological venomous tree of whose narcotic fumes could kill plants and animals for miles around.
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