An old rusty dog tag worn by Immortal Corps.

ATK +50, MATK +50.
Reduces damage taken from Undead monsters by 4%.

When equipped with Juliette de Rachel:
For each refine level of Juliette de Rachel:
ATK +5%.

When refine level of Juliette de Rachel at least +9:
Random chance to autocast Level 10 Oratio when using Rolling Cutter.

When equipped with Sunflower Boy:
For each refine level of Sunflower Boy:
INT +2. Increases damage of Crimson Rock by 1%.

When refine level of Sunflower Boy is at least +9:
Random chance to increase Fire elemental magic damage by 50% for 10 seconds when dealing magical attack.
Restores 500 HP when defeating monster with magical attack.

When equipped with Lindy Hop:
For each refine level of Lindy Hop:
Increases critical damage by 3%.

When refine level of Lindy Hop is at least +9:
CRIT +50.
Increases physical damage inflicted on Boss monsters by 25%.

[iRO Description]
A rusty old identification tag, perhaps it was used to distinguish immortal entities.
Class: Accessory
Requires Level: 100
Usable By: All Jobs
Atk + 50
Matk + 50
Reduces damage taken from Undead race enemies by 4%.

Set Bonus
Immortal Dog Tag [1]
Juliette D Rachel [2]
Increases physical damage on targets by 5% per upgrade levels of Juliette D Rachel [2].
If Juliette D Rachel [2] upgrade level is +9 or higher,
Adds a 10% chance of casting Level 10 Oratio on the target when using Rolling Cutter.

Set Bonus
Immortal Dog Tag [1]
Sunflower Boy [2]
For every upgrade level of Sunflower Boy [2],
Int + 2
Increases the damage of Crimson Rock by 1%.
If Sunflower Boy [2] upgrade level is +9 or higher,
Adds a 1% chance to increase the damage of Fire property magical attacks on targets by 50% for 10 seconds when performing a magical attack.
Restores 500 HP to the user when a monster is killed.

Set Bonus
Immortal Dog Tag [1]
Lindy Hop [2]
Critical damage +3% per upgrade levels of Lindy Hop [2].
If Lindy Hop [2] upgrade level is +9 or higher,
Crit + 50
Increases physical damage on boss monsters by 25%.