It resonates with Ancient Hero's Boots.

Indestructible in battle

For each 2 refine levels, ATK +10.
For each 3 refine levels, increases Vulcan Arm damage by 4%.

Refine Level +9:
Increases Vulcan Arm and Arm Cannon damage by additional 10%.

Refine Level +11:
Reduces variable cast time by 15%.

When equipped with Ancient Hero's Boots:
Random chance to increase STR by 20 and ATK by 15% for 7 seconds when dealing physical or magical damage.

[iRO Description]
A hammer made of rare ore found in a meteorite.
It seems to resonate with Ancient Hero Boots.
Cannot be destroyed in battle.
Atk + 10 per 2 refine rate.
Increases Vulcan Arm damage by 10% per 3 refine rate.
If refine rate is 9 or higher, increases Vulcan Arm and Arm Cannon damage by additional 10%.
If refine rate is 11 or higher, reduces variable casting time by 15%.
When equipped with Ancient Hero Boots, when dealing physical or magical damage, has a chance to gain Str + 20 and Atk + 15% for 7 seconds.
Type: Mace Attack: 300
Weapon Lv: 4
Required Lv: 100
Required Job: Mechanic Jobs