One of the most important is called Etheric Remnant. You'll need it because some vendors don't accept the gold you'll inevitably have loads of. You wouldn't want to go into these Dragon Age ...

1x Dragon Tooth (Valuable Item) 2x Dragonfire Catalyst (Legendary Material) 11x Etheric Remnant +200 Strength for the Mourn Watch faction +300 Strength for the Lords of Fortune Faction There'll ...