For the Tundra event, Liquid Deviance is one of the items required to hatch unhatched Lykos eggs.

I have a Deviant pet I want to extract Liquid Deviance from, but I can't remember how to do it. I remember that in previous events that needed Liquid Deviance, there was simply a link on the pet's profile that allowed deviance to be extracted, but there isn't one this time around.

Is there an item I need to get, or am I missing something completely?

It takes a Deviance Extractor to extract deviance from deviant pets, and they're craftable. Extracting from a deviant creates 1 Liquid Deviance while double deviants give 2. You can find your Deviance Extractors in the Other group in your Inventory and use them from there.

These are single use items so you need one for each pet you're getting deviance from.

Thank you very much, guys! I'll see if I can find a Deviance Extractor scheme.

You'll to have to buy it from the state store; it can't be found exploring.

It actually can. I found it while exploring an island. 

Uh, I can't figure out how to use a Deviance Extractor. I know how to use a normal item, but the option to USE a Deviance Extractor just isn't showing up. Please help.

And yes, I can confirm I have Deviant pets. 2 of them in fact.

unfortunately, it only works during Tundra events.