The Challenge Log contains a list of objectives for Eureka. These objectives upon completion reward a small amount of Gil and a large amount of Elemental EXP. The Challenge Log resets every Tuesday.
Objectives:
Forbidden Ice, Forbidden Lightning I
Defeat 30 ice- or lightning-aspected enemies no more than two elemental levels below your own.
Forbidden Ice, Forbidden Lightning II
Defeat 60 ice- or lightning-aspected enemies no more than two elemental levels below your own.
Forbidden Fire, Forbidden Earth I
Defeat 30 fire- or earth-aspected enemies no more than two elemental levels below your own.
Forbidden Fire, Forbidden Earth II
Defeat 60 fire- or earth-aspected enemies no more than two elemental levels below your own.
Forbidden Water, Forbidden Wind I
Defeat 30 water- or wind-aspected enemies no more than two elemental levels below your own.
Forbidden Water, Forbidden Wind II
Defeat 60 water- or wind-aspected enemies no more than two elemental levels below your own.
Forbidden Bone, Forbidden Ash I
Defeat 20 ashkin in Eureka with an elemental level equal to or higher than your own.
Forbidden Bone, Forbidden Ash II
Defeat 40 ashkin in Eureka with an elemental level equal to or higher than your own.
Forbidden Elements I
Defeat 10 sprites in Eureka with an elemental level equal to or higher than your own.
Forbidden Elements I
Defeat 20 sprites in Eureka with an elemental level equal to or higher than your own.