Hag, Wood 2014
CR 9 fey
Medium fey, neutral evil
Advantage: spell/magic effect saves.
While hag remains motionless in forest terrain is indistinguishable from an old decomposing log or tree stump.
Can communicate with Beasts and Plants as if they shared a language.
Difficult terrain made of plants doesn’t cost hag extra move. Can pass through plants with o being slowed by them nor taking damage from them if they have thorns spines or similar.
Bonus Actions
Heckles mocks or jeers one creature she can see within 30' of her. If creature can hear and understand her enraged until end of its next turn (DC 16 Cha negates). While enraged: advantage on melee attacks unable to distinguish friend from foe and must move to and attack nearest creature (not hag). If none is near enough to move to and attack enraged creature stalks off in random direction. Attacks vs. enraged creature: advantage.
Source: Tome of Beasts 3 (Kobold Press) · License: OPEN GAME LICENSE Version 1.0a details