Ibex

Ibex CR: 1/2 (100 XP)

Large beast, unaligned

Armor Class: 11 (natural armor)

Hit Points: 19 (3D10 + 3)

Speed: 40 ft

STR

17 +3

DEX

11 +0

CON

12 +1

INT

3 -4

WIS

12 +1

CHA

6 -2

Senses: passive Perception 11

Challenge Rating: 1/2 (100 XP)

Charge. If the goat moves at least 20 ft. straight toward a target and then hits it with a ram attack on the same turn, the target takes an extra 5 (2d4) bludgeoning damage. If the target is a creature, it must succeed on a DC 13 Strength saving throw or be knocked prone.
Sure-Footed. The goat has advantage on Strength and Dexterity saving throws made against effects that would knock it prone.

Actions

Ram. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: (2d4 + 3) bludgeoning damage.