You can find light two ways: making a workshop at your home and then creating a torch there. Or after you finish the Bandit Camp quest, it'll unlock the path to Northcrest. When you're given the option to find a way around the bridge, it'll lead you to a cave where you find glowshrooms. Take them to Othra and talk to her, so she can make you a glowing amulet.
WW Lure: 1: Wolf's Bane (assuming you already passed the WW choice, you should have this, right?), 3: Aphrodisiac ingredients can all be found in the forest or swamp (1: Water Lily/ 2: Blue Essence/ 3: Succubus Leaf/ 4: None/ 5: Green Essence) 4: White Pulp (can be made from the white berries obtained on the forest path)