Small primordial, chaotic neutral

Armor Class: 12

Hit Points: 15 4d6+1

Speed: 25 ft , fly: 60 ft , swim: 60 ft

STR

10 +0

DEX

14 +2

CON

12 +1

INT

12 +1

WIS

12 +1

CHA

13 +1

Skills: intimidation +7, sleight of hand +8, stealth +8

Damage Vulnerabilities: Bludgeoning

Condition Immunities: charmed, frightened, prone

Languages: deep speech, celestial, primordial, goose

Actions

Multiattack. The goose can use its Honk, then make three attacks with its beak.   Beak. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 4 1d4+2 piercing damage.   Honk. All creatures of the Goose's choice within 120 ft. that can hear it must make a DC 15 Wisdom saving throw. On a fail the creature is enraged, having disadvantage on attacks against any Target other than the goose until the end of the Goose's next turn.

Reactions

this is a normal goose, except for 3 things. 1. it can show up anywhere. 2. limited ontological inertia, look away and it's gone. 3. immune to fate.