Egir, the God of Sea's Shoes. It seems to strengthen one's weakness.

MaxHP +500, MaxSP +50.
Indestructible in battle

When equipped with Aegir Helm (Egir Helm) and Aegir Shoes (Egir Shoes):
CRIT +10 against Fish monsters.
Every refine level of the Shoes, increases critical damage agaist Fish monsters by 1%.

[iRO Description]
A pair of shoes owned by Egir, the god of the sea. It seems to strengthen one's weakness to water.
Account Bound
Class: Shoes
Defense: 13
Requires Level: 40
Usable By: All Jobs
Max HP + 500
Max SP + 50

Set Bonus
Egir Helm [1]
Egir Shoes [1]
Crit + 10 on Fish race targets.
Additional Crit + 1 on Fish race targets per upgrade level of Egir Shoes [1].

Set Bonus
Egir Armour [1]
Egir Helm [1]
Egir Manteau [1]
Egir Shoes [1]
Max HP + 1000
Max SP + 100
Increases physical and magical damage on Fish race targets by 50%.
Reduces damage taken from Water property attacks by 50%.
Increases the experience given from Fish race monsters by 20%.

More Information on Combo:

• Egir Helm & Egir Shoes
• Egir Armour, Egir Helm, Egir Manteau & Egir Shoes