Yithian

D&D 2024 monster: Yithian. Source: Ravenloft: The Horrors Within. challenge rating 15, creature type Aberration, Large size, speed 30 ft. Fungous Alien Body Swapper Yithians are cosmos-traveling scholars with distinctive, conical bodies and four limbs that end in pincers, sensory structures, and flute-like communication organs. They search for secrets to add to their vast libraries, conducting research by swapping minds with the inhabitants of other worlds-sometimes indefinitely. When a yithian swaps minds with a creature, it traps its victim's mind in the yithian's body, which it teleports to its unfathomable, alien home world. Aberration Large 30 ft.