Inflict 5% more damage with Thunder Storm, Jupitel Thunder and Lord of Vermilion.
-50 SP when unequipped.

[iRO Description]
Class: Card
Compounds On: Weapon
Increases the damage of
Thunderstorm,
Jupitel Thunder, and
Lord of Vermilion by 5%.
Drains 50 SP from the user when the compounded item is unequipped.

Set Bonus
Lunar Rainbow [1]
Hill Wind Card
Adds a 4% chance of casting Level 4 Lightning Bolt or Level 4 Thunderstorm on the target when performing a physical attack, where the level of the skill is equal to and where the chance to cast is increased by 1% per upgrade level of the item past the upgrade level of 4 to a maximum upgrade level of 10.

More Information on Combo:

• Hill Wind Card & Mashirubeken[2]
• Hill Wind Card & Lunar Rainbow[1]