It's a high level Synth from Weavers. Copy/pasted:
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Level: 50 Yield: 1
99 Lightning Shard
1 Vanya Silk
1 Twinthread
1 Chocobo Feather
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Most of it is simple to get, except that "Vanya Silk" is apparently harder to find than a duty finder group that can clear hard mode titan.

Apparently it needs a lot of potash which sells for abusive amounts at the moment on the markets, meaning this is very pricy for something so simple that doesn't even offer combat boosts in any way. I'm guessing at a later date things will be changed/patched and this will be easier to acquire, but I'm quite impatient.

If any Weaver would like to work with me on this and hammer out some kind of deal, I'd greatly appreciate it. I need my adorable rat minion. I've always had quite the infatuation with the cute little guys ever since FFXI (Looking at you, Nashmau).

Just message me in-game.
Thanks.