A random Bestiary

Cave Bear

Large beast, unaligned

Armor Class 12 (natural armor)
Hit Points 42 (5d10 + 15)
Speed 40 ft., swim 30 ft.

STR	DEX	CON	INT	WIS	CHA
20 (+5)	10 (+0)	16 (+3)	2 (−4)	13 (+1)	7 (−2)

Skills Perception +3
Senses passive Perception 13
Languages —
Challenge 2 (450 XP)

Keen Smell. The bear has advantage on Wisdom (Perception) checks that rely on smell.

Actions

Multiattack. The bear makes two attacks: one with its bite and one with its claws.
Bite. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 9 (1d8 + 5) piercing damage.
Claws. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 12 (2d6 + 5) slashing damage.