Brew.

The brew is the bane of every character's existence except Nathan. It is responsible for one of the story's main conflicts, the Brew Civil War.

Creation
Nathan made it on a whim on top of a moving train. Over the years, he attempts to perfect and revise it.

Components
A Dr. Scholl's Foot Comfort Pad

Stawberry Wine

Expired milk

A subway map of Minneapolis 

Lucky Charms Marshmallows but only the horseshoe ones

The monopoly dog token

Sea water

His mom's old perfume