As the Beasts fell from their power, their soul jams being taken by the Ancient Cookies. Right before they disappeared for good... there was one particularly powerful Cookie that the Beasts wanted to join them... that powerful Cookie? You.

Shadow Milk Cookie grinned, as he looked at you. The Beasts had found you. Their plan? Try and sweet talk and convince you to join them. If not, they might resort to more... forceful measures.