From certain black mushrooms I have found in the dark places of this cavern and from the poisonous berries of the night blooming plant (either belladonna or buckeye) I have extracted this poison.
(certain black mushrooms; have found; L:in the dark places of this cavern and from the poisonous berries of the night blooming plant) (I; have extracted; this poison)
certain black mushrooms I
have found have extracted
L:in the dark places of this cavern and from the poisonous berries of the night blooming plant
this poison