There are 6 quests that needs to be done.
1.The dragon's egg: Ask about the egg to the habitants of Avalon. Then meet Fabergé in Yggdrasil and follow his instructions. Put the egg in the nest and wait until he is done. Drake is now part of your team.
2.Make Marsyas happy: Talk to Marsyas on Avalon who misses the nymph laughter. To find how to reproduce the sound, talk to Manon, the mermaid in the ocean. Look for a bottle of water near the water and bring it to the seagull.
3.Help Arachne: Arachne is looking for a magnificient fabric. In the last part of the game, get one from the Peri weaver and bring it back to Arachne.
4.Help Chugflea: Find all his cousin in all the worlds of the game.
5.Help Mariliane: You can find the faery on the first floor of Oberon's tower. Bring her back a crab shell to get a reward.
6.Help Mustard Seed: Retrieve the seed stolen by the two trolls. Fight them and bring the seed back to Mustard Seed