AoE Radius
AoE Radius is a stat on gear: the size of your area-of-effect abilities.
Sources
- Appears as a base stat on 33 pieces of gear (15 accessories, 11 armor, 7 weapons).
- Can roll as a dungeon bonus stat on 94 items — see each item's Possible rolls section.
Notable items: 
Celestial Staff · 
Celestial Blast Pendant · 
Celestial Greatsword · 
Celestial Yoku Staff · 
Celestial Yoku Hammer · 
Celestial Elemental Pendant
Affinity rolls
AoE Radius can also roll bound to a single ability (on gear and relics) instead of applying globally — see Ability Affinity Stats.