Here is the full list of all 12 Faery: Legends of Avalon trophies - there are 8 bronze, 3 silver and 1 gold.
Save the Scarabaeid.
Complete all secondary quests on Avalon.
Complete all the secondary quests of the Scarabaeid.
Meet all the inhabitants in the Faery worlds.
Collect 60 items of equipment.
Complete all the secondary quests of the Flying Dutchman.
Save the Flying Dutchman.
Save the Tree World.
Complete all the secondary quests in the Tree World.
Bring a close to the Awakening chapter.
Speak with all of Avalon's inhabitants.
Eliminate the first boss.