The Mega-Supreme Potent Energy is a harvestable that can be found in the Nightmare. It can be found from various sources and locations throughout the Nightmare including but not limited to:
- A rare drop from a Goon.
- A possible reward from The Deli minigame.
- Being harvested from The Back Area and The Supermarket.
In appearance, the Mega-Supreme Potent Energy is a tall, red-and-yellow can with a white plastic lid, as well as being imprinted with a square-patterned design. Players can consume the Mega-Supreme Potent Energy to restore 10 health points, 10 Stamina Points, and gain a temporary +5 Movement Speed stat bonus for 45 seconds. If the player has no purpose for the Mega-Supreme Potent Energy, it can be sold for 9,999 gold.