Get the sack of coins from the gargoyle tavern in northern loch. and take them to the ghost cecrops in the south near the infernal guildhall. You get 250 gold and I don't remember if you get experience for it.
Get the stylus from the market district of loch and take it to the librarian for a simple 50 gold.
Find the 3 gems inside the lava caves underneath Bloodloch. Give the gems to Ruh the Daemon, and get 150 gold each.