Alpine Creeper 2014
CR 3 plant
Huge plant, unaligned
STR3 (-4)
DEX1 (-5)
CON17 (+3)
INT1 (-5)
WIS4 (-3)
CHA1 (-5)
False Appearance.
Motionless: indistinguishable from patch of lichen.
Mossy Carpet.
Enter hostile creature’s space and stop there. It can move through space as narrow as 1' wide with o squeezing.
Bonus Actions
Lethargic Stupor.
One unconscious Humanoid or Giant in creeper's space suffers one level of exhaustion. A creature with more than half its hp max can't suffer more than one level of exhaustion from this. This exhaustion lasts until creature finishes short rest.
Source: Tome of Beasts 3 (Kobold Press) · License: OPEN GAME LICENSE Version 1.0a details