We Need To get Minnie

"The agents of the Nether are basically law enforcement for the Knights of the Nether. 

The knights of the Nether, intelligent beings that serve as guards and rulers of the Nether use their pawns, Agents of the nether, to ensure stability within the nether."

"Stability!?" Lenny asked sarcastically again. He had not been in the Nether for too long, but from what he had seen, the Nether did not at all need any maintenance, and even if it did, he doubted the necessity of such an endeavor. However, Athena explained even more. 

The nether is divided into two sides: "Creatures that have made a pact with humans in reality are on one side of the nether, and creatures that have not made a pact are on the other side of the nether. 

When a summon from reality is made for a Nether creature, a portal through the void appears..."