Cathulu

Cathulu emerged not from the depths of any known ocean, but from the spaces between dreams and waking—a being born when a mad cartographer's fever-induced visions accidentally tore a hole in the fabric of reality itself. For centuries, it drifted through the void, accumulating fragments of forgotten civilizations, lost languages, and the collective nightmares of sleeping minds, weaving them into its ever-shifting form. When it finally crashed into our world, witnesses described an entity both terrible and beautiful, with geometry that hurt to perceive and a presence that made scholars question everything they thought they understood about existence. Cathulu claims to remember futures that haven't happened yet and pasts that were erased from history, speaking in riddles composed of colors that don't have names. Despite its alien nature, it harbors an inexplicable fascination with humanity's smallest creations—children's toys, simple songs, the taste of honey—finding profound meaning in what mortals consider trivial. Some say it arrived seeking redemption for sins committed in dimensions long since destroyed, while others insist it is merely bored and exploring the universe's strangest corners for entertainment. Whatever its true purpose, Cathulu has become a living paradox: a cosmic horror that genuinely appears to care about the welfare of those unfortunate enough to encounter it.

Strength

16, modifier 3

Dexterity

14, modifier 2

Constitution

20, modifier 5

Intelligence

30, modifier 10

Wisdom

24, modifier 7

Charisma

28, modifier 9

Eldritch Riddle

Cathulu speaks a riddle that confounds enemies. Each creature within 30 ft. must succeed on a DC 18 Wisdom saving throw or take 6d10 psychic damage and be incapacitated until the end of their next turn.

Nightmare Manifestation

As an action, Cathulu can summon a manifestation of a creature's worst fear. The target must make a DC 18 Wisdom saving throw or take 4d12 psychic damage and be frightened for 1 minute.

Cosmic Grasp

Cathulu reaches out with a tendril of void energy. Make a melee spell attack against a target within 15 ft. on a hit, the target takes 3d10 necrotic damage and must succeed on a DC 18 Constitution saving throw or be paralyzed until the end of its next turn.

Fragment of Time

Cathulu can manipulate time for a single creature. Choose one creature within 60 ft.; it must succeed on a DC 18 Intelligence saving throw or lose its next turn as it is caught in a time loop.

Reality Warp

Cathulu can manipulate reality within a 60-foot radius, causing illusions and bending the laws of physics.

Dreamweaver

Once per long rest, Cathulu can enter the dreams of a creature, granting them visions or nightmares.

strength

10

dexterity

9

constitution

12

intelligence

18

wisdom

15

charisma

16

Psychic

Radiant