What Hooglese said. I got this from the event from after the pillar event, before Octovine in Auric Basin. Not sure if it specifically spawns at that time or the event chains, but can confirm you get the item from the event. 100% drop rate? Not sure, but got it on my first time.
Running into the same issue, cannot sell anything on the TP: The game client is unable to gain access to the log-in server at this time. This is most commonly caused by firewall or router settings, security applications or connecting through a campus network.
Most definitely not any of the above is applicable to me at this time.
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