The Monster manual describes Modrons as “beings of absolute law that adhere to a hive-like hierarchy. They inhabit the plane of Mechanus and tend its eternally revolving gears, their existence a clockwork routine of perfect order.”

Monsters of the Multiverse describes Qilin as “noble, celestial creatures. In the Outer Planes, Qilin in service to benevolent deities take a direct role in the eternal struggle between good and evil. In the mortal world, Qilin are celebrated far and wide as harbingers of destiny, guardians of the sacred, and counterbalances to the forces of evil.

The Monster Manual describes the Tarrasque as a “fifty feet tall and seventy feet long behemoth, weighing hundreds of tons. It carries itself like a bird of prey, leaning forward and using its powerful lashing tail for balance. Its cavernous maw yawns wide enough to swallow all but the largest creatures, and so great is its hunger that it can devour the populations of whole towns.”

The Monster Manual describes the Tarrasque as a “fifty feet tall and seventy feet long behemoth, weighing hundreds of tons. It carries itself like a bird of prey, leaning forward and using its powerful lashing tail for balance. Its cavernous maw yawns wide enough to swallow all but the largest creatures, and so great is its hunger that it can devour the populations of whole towns.”

The Monster Manual describes Medusa as “a victim of a terrible curse, the serpent-haired medusa petrifies all those who gaze upon it, turning creatures into stone monuments to its corruption.”

The Monster Manual states that “blink dogs take their name from their ability to blink in and out of existence, a talent they use to aid their attacks and to avoid harm.”