Battle Olympia is currently unavailable on the US ver.Battle Olympia is only available in Nero Festival 2017 Autumn event pickup summon.
For the duration of "Nero Fest 2017 Autumn" event, this craft essence gains the following effects:
Rashoumon event (Ibaraki Douji event)
Murder at the Kogetsukan
Inheritance of Glory
5 Star Servants Tier List: Best Servants [5/9 updated!]
Best Craft Essence: Craft Essence Tier List
FGO Reroll Tier List [5/11 updated!]
Elisabeth Bathory
Tamamo no Mae
Zhuge Liang (Lord El-Melloi II, Waver)
Talk on the Heated Sands
Ereshkigal
Arthur Pendragon(Prototype)
Gorgon
Black Holy Grail (The Black Grail)