Hyperdimension Neptunia Mk2

You need to go to a town and select "Item Synth" and create an item. The game forces you to make a Nep Bull in order to proceed. All the ingredients can be found in the Virtua Forest. The needed ingredients are: 5 herbs, 3 dogoo jellys, and 3 yellow petals. The herbs can be found in gathering points by pressing , and the other items by defeating dogoos (dogoo jelly), and tulips (yellow petals).