Part of the Blue Dragon Mail set:

The set gives these bonuses as more pieces are worn: 2: +4 All Resistances. 3: Increases damage and healing done by magical spells and effects by up to 28. Set Details | All Sets

Taught by:

Name	Source	Level
Pattern: Blue Dragonscale Shoulders	Drop	59

Created with Leatherworking:

Skill	Recipe	Components	Slot	Source
270	Blue Dragonscale Shoulders	x28 x30 x2 28x Rugged Leather 30x Blue Dragonscale 2x Enchanted Leather 1x Cured Rugged Hide 1x Rune Thread	Shoulder	Recipe, Drop

Disenchants into

Name	Value	Drop%
Large Brilliant Shard	1 Copper	100.0%