You give Drunken Madman Wah Chon's Winter Lager.
Drunken Madman tells you, "What's this? It doesn't look like sake."
Drunken Madman tells you, "Not Sake!? NOT Sake! YOU!!! I'll g..."
Drunken Madman tells you, "Oh right, you must want to see Ulgrim. He said people might be looking for him. Ok, I'll portal you there this time, but next time you better bring me sake!"