Link Count
Link Count is a stat on gear: how many targets chaining effects can jump to.
Sources
- Appears as a base stat on 3 pieces of gear (3 accessories).
- Can roll as a dungeon bonus stat on 1 items — see each item's Possible rolls section.
Notable items: 
Celestial Yoku Staff · 
Viridium Yoku Gunner's Locket · 
ChronoTehc Warden's Locket
Affinity rolls
Link Count can also roll bound to a single ability (on gear and relics) instead of applying globally — see Ability Affinity Stats.