Umber Hulk Painting

Umberhulk Painting is needed to gain access to a cage of a powerful umberhulk which drops some item on the third level of the Asylum Dungeon. This item appears in Baldur's Gate II: Shadows of Amn and Baldur's Gate II: Enhanced Edition. It not known where this can be found.

In-game description
"An oil painting of an umberhulk. The work is amateurish at best."