The Eureka! emote is an Uncommon Fortnite emote. Eureka! was available via the Item Shop for 200 V-Bucks and you can buy it from Fortnite Item Shop when it will listed.
Fortnite Eureka! Emote Details
I've done it!
Fortnite Eureka! Emote PNG Images
Here is the PNG images of Eureka! below!
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