Attack Speed
Attack Speed is a stat on gear: how quickly your weapons and abilities attack.
Sources
- Appears as a base stat on 51 pieces of gear (10 accessories, 27 armor, 14 weapons).
- Can roll as a dungeon bonus stat on 111 items — see each item's Possible rolls section.
Notable items: 
Cursed Celestial Sword · Foundation Bulwark Helm · 
Foundation Bulwark Chestguard · 
Celestial Blast Pendant · Foundation Bulwark Greaves · 
Celestial Hammer
Affinity rolls
Attack Speed can also roll bound to a single ability (on gear and relics) instead of applying globally — see Ability Affinity Stats.