The Monster Manual describes Kuo-toa as “fishlike humanoids that once inhabited the shores and islands of the surface world. Long ago humans and their ilk drove the kuo-toa underground, where they dwell in everlasting night. Kuo-toa can no longer abide daylight."

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Owlbears are described in the Monster Manual as “a monstrous cross between giant owl and bear, an owlbear’s reputation for ferocity and aggression makes it one of the most feared predators of the wild.”

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The Monster Manual describes Dinosaurs as “behemoths that are among the oldest reptiles in the world. Predatory dinosaurs are savage, territorial hunters. Dinosaurs roam rugged and isolated areas that humanoids seldom visit, including remote mountain valleys, inaccessible plateaus, tropical islands, and deep fens.”

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The Monster Manual does not describe people, despite them being the most common enemy your players will face.

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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.”

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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.

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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.”

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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.”

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