What it does

"Improves the quality of an armour." Armour quality is capped at 20% by default, and each point gives 1% more Armour, Evasion, Energy Shield and Runic Ward. Runic Ward is the defence added in patch 0.5.0.

How players use it

Quality is the cheapest flat boost to an armour piece's defences. It also matters for crafting order: since patch 0.5.0, Infusers can only be used on items already at 20% quality, so scraps come first.