It's an imitation of a chain that holds Fenrir. Strong enough told hold anything in place.
Class: Accessory
Weight: 30
Requires Level: 100
Usable By: All Jobs
Aspd + 5%
Reduces the global delay of skills by 5%.
Enables Level 1 Teleport.

Set Bonus
Fenrir Chain [1]
Vanargand Helm [1]
If Vanargand Helm [1] upgrade level is +6 or higher,
ATK + 5%
Aspd + 5%
Reduces the global delay of skills by 5%.
Bypass 25% of hard defense of all race targets when performing a physical attack.
If Vanargand Helm [1] upgrade level is +8 or higher,
Additional ATK + 5%.
Additional Aspd + 10%.
Reduces the global delay of skills by an additional 10%.
Bypass an additional 25% of hard defense of all race targets when performing a physical attack.