Shards of Tull are the nicknames of the iron ores found in The Tull Caverns.
CharacteristicsShards of Tull are iron ores which can reach sizes of 10 meters and thus are the most common source of iron in the Vale. They often come in groups of multiple shards of different sizes and sometimes are big enough to walk on. Shards of that size are used in Giant Metal Habitats.
Shards of Tull have nothing to do with magic but are the food source of certain dragons and are used by metal dragons as instruments.