What do you get when you combined a false hydra, Oblex, the silence and weeping angels from doctor Who? I call it The Forget-Me-Not. I already have more idea of things to add or change. The idea is that it’s less of a monster that does a bunch of damage, but is a challenging encounter because of its gimmick. I’m appreciate and welcome all feedback. 

Forget-Me-Not

Always lurking where stories of adventure can be heard, a Forget-Me-Not can be found. They consume the memories of the thrills of adventure, the allure of death beckoning,  the triumph of being a hero, and stories that are stuff of legends. The more exciting the tale, the more power the Forget-Me-Not grows. They are able to sustain themselves off the imaginary adventures children make-believe, but it’s the real stories that bring power. The Forget-Me-Not uses its psionic powers to drain these memories, making those who tell the stories forget small details over time. To hunt its prey, the Forget-Me-Not will create a den near a location where people gather to tell of adventures, a frequently visited campsite, under a tavern, an area where children play, or even in the walls of a war room. Using its Melody of Memories, the Forget-Me-Not is able to determine how strong-willed a creature is and will attempt to siphon the memories from the weak; however, those with stronger wills can recall more and are able to provide greater power. If the Forget-Me-Not is discovered, it has a passive ability to have the creature looking at it forget it was there, anytime a creature looks away or blinks, creating false memories that it was never there to begin with. The Forget-Me-Not is a vibrant blue creature with a slender vine-like body, a single yellow eye in the center of a flowering head. Despite its plant like appearance, this creature has a fleshy rubbery texted to its skin, and sharp hooks on the tips of the vine like appendages.

Medium Aberration, Lawful Evil

Armor Class 14 (Natural Armor)

Hit Points 75 (10d8+30)

Speed 30ft

Saving Throws: INT +3, WIS +4, CHA+3

Skills: Deception +3, Insight +4, Perception +4, Stealth +4

Senses: Darkvision 120ft, Passive Perception 16

Language: Telepathy 120ft

Challenge Rating: 5

Magic Resistance: The Forget-Me-Not has advantage on saving throws against spells and other magical effects

Melody of Memories: The Forget-Me-Not telepathically sings a song. All creatures within a 120 foot radius sphere can hear this song. A DC 15 Wisdom Save determines if the creature can hear the song. Those who fail are more likely to be attacked by the Forget-Me-Not.

Blink and You’ll Forget: Hostile creatures within 60 feet of the Forget-Me-Not must make a DC 15 Wisdom saving throw or forget the Forget-Me-Not at the end of each turn when they blink or looks away. Creatures who fail have their memory of  the Forget-Me-Not removed, and only remember looking at nothing. Creatures can attempt to keep their eyes open, making a DC 10 constitution save, on a save the creature does not have their memory taken. The DC increasing by 2 each turn the creature keeps their eyes open, resetting back to 10 once they blink. Once a creature blinks after failing to keep their eyes open, they have disadvantage on the following DC Wisdom Save.

Innate Spell casting (psionic): Innate spell casting ability is Wisdom (Spell Save DC 15) it can cast the following Innately without spell components.

At Will: Detect thoughts

ACTIONS

Claws. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 6 (2d4 + 1) piercing damage.

Thorns. Ranged Weapon Attack: +3 to hit, range 30/60 ft., one target. Hit: 8 (2d6 + 1) piercing damage.

Memory Blast. (Recharge 3) Forget-me-not makes a psionic attack in a 60-foot cone. Creatures within this area must make a DC 15 Wisdom saving throw taking 22 (4d8+4) psychic damage or half on a success.

IMO it has the same issue as the false hydra, in that meta-game knowledge kind of spoils it. Sure you can tell a player that their character forgets the forget-me-not but you can't make the player forget about it, so there isn't really any "spookiness" because the player knows almost immediately what is going on as soon as their character sees the monster once. To actually use one effectively requires mostly world-building and foreshadowing and has nothing really to do with the monster's statblock. 

I like it a lot! The issue has been said, that a player remembers despite the character forgetting, but perhaps by giving it a way of either Blinding a player or it being Invisible might fix the issue.

(don't mind the Bolded words, thats me trying to figure how to use the tooltip thing.)

I was thinking the same thing, like make them blind (forgetting the creature)  for a round after it using its power, and then once everyone is blind (forgot about it), it uses invisibility to run away. Then it’s hoping the party doesn’t meta game too much, and be like “you are not sure why you are in this location, or why your weapons are drawn” then it’s a matter of trying to track this creature down. 

Quote from Davidiculous >>

I was thinking the same thing, like make them blind (forgetting the creature)  for a round after it using its power, and then once everyone is blind (forgot about it), it uses invisibility to run away. Then it’s hoping the party doesn’t meta game too much, and be like “you are not sure why you are in this location, or why your weapons are drawn” then it’s a matter of trying to track this creature down. 

 True. That way you make the fight a regular nuicanse, and then lead up to a bigger/stronger/older version (Might cause fear or something, idk) of the monster. Sort of like Encephelon Gemmules grow up into stronger Encephelon Clusters, Forget-Me-Not might grow up into....Fear-Me-Nots? idk.

Quote from DragonsRogue >>

Quote from Davidiculous >>

I was thinking the same thing, like make them blind (forgetting the creature)  for a round after it using its power, and then once everyone is blind (forgot about it), it uses invisibility to run away. Then it’s hoping the party doesn’t meta game too much, and be like “you are not sure why you are in this location, or why your weapons are drawn” then it’s a matter of trying to track this creature down. 

 True. That way you make the fight a regular nuicanse, and then lead up to a bigger/stronger/older version (Might cause fear or something, idk) of the monster. Sort of like Encephelon Gemmules grow up into stronger Encephelon Clusters, Forget-Me-Not might grow up into....Fear-Me-Nots? idk.

 I love that idea, having its vine like tendrils now covering a larger area as it grows. But to play on its name it could change into Nothing-To-Fear, leading into the idea that you forget that there was something there to be afraid of. 

Quote from Davidiculous >>

Quote from DragonsRogue >>

Quote from Davidiculous >>

I was thinking the same thing, like make them blind (forgetting the creature)  for a round after it using its power, and then once everyone is blind (forgot about it), it uses invisibility to run away. Then it’s hoping the party doesn’t meta game too much, and be like “you are not sure why you are in this location, or why your weapons are drawn” then it’s a matter of trying to track this creature down. 

 True. That way you make the fight a regular nuicanse, and then lead up to a bigger/stronger/older version (Might cause fear or something, idk) of the monster. Sort of like Encephelon Gemmules grow up into stronger Encephelon Clusters, Forget-Me-Not might grow up into....Fear-Me-Nots? idk.

 I love that idea, having its vine like tendrils now covering a larger area as it grows. But to play on its name it could change into Nothing-To-Fear, leading into the idea that you forget that there was something there to be afraid of. 

 I love it! Sounds amazing! Let me know when you either want some help developing it, or you finish the Nothing-to-Feat. I wanna see it :)))

oh my god

Which player hurt you