The Visitor (5e Creature)
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Tiny aberration, evil
Damage Vulnerabilities Bludgeoning, Slashing
Assimilator. As an action, The Visitor can enter an unaware creature of the same size or one size larger. If the creature is unintelligent it is instantly killed and explodes, If the creature is intelligent, they must be critically wounded and must make a DC 14 con save or die and explode. The Visitor gains 1d4 traits and abilities of the Assimilated creature, as well as its size.
Darkvision. The Visitor has Darkvision up to 60ft.
Sticky Tongue. While it's size is tiny it can use it's tongue as a grappling hook. The tongue has a range of 6 ft and it can launch itself 15 ft in a direction of it's choice.
Corrosive Spit. While it's size is tiny it can spit out a glob of goop that can melt through 1 foot of stone, 1 inch of common metal, a thin sheet of lead, or 3 feet of wood or dirt.
Limited Telepathy. The Visitor has a small amount of telepathy which it can use to move small weapons, cutlery, rocks, fruits and open light doors.
Size Buff. When the Visitor consumes a creature of a size larger then it is, its hpdice double in amount and go up by one size. It's str and dex increase by 2, its AC increases by 3, it's speed increases by 5 and it's cr doubles.
The Visitor gains actions from the creatures it assimilates
The Visitor is a creature that came from space, it looks like a pink leech mixed with a slug. It is a malevolent monster that lives to kill, consume and grow.