Iridescent Unicorn Horn Quest

From Tari:

• Go 2e, 2n, w, 2n, w, [d], 2s.

• Kill Verdissis.

• Get horns from her corpse.

• Go 2n, [u], 3n, 2w, 2s, w, 2s, w, 3n, [n], 2n, enter waterfall.

• Give horns to Leah and receive iridescent unicorn horn.