Create Crystal of the Ancients
Mix:

Jewel of Harmony 60
Jewel of Guardian 60
Jewel of Chaos 1

Success chance: 70% (VIP - 90%)

Crystal of the Ancients - needed to improve the set Blue Eye

Mix:

Crystal of the Ancients x1

Exc item Blue Eye +9 +4 add x1

Jewel of Chaos x1

Success chance: 1000%