Keen Smell: The lion monster has an advantage on wisdom (Perception) checks which rely on the smell.
Pack Tactics: The lion here also has an advantage on an attack rolls which are against to the creature if at least one of those lion’s allies are within 5 ft. of the creature and also the ally has not been Incapacitated.
Pounce: Suppose, the lion moves at least 20ft., straight towards to the creature and also then it hits by using its claw attack on the same turn, which the target must succeed on the DC 13 strength saving throw or else be knocked prone. But suppose the target is prone, and also the lion able to make one bite attack which is against to the bonus action.
Running Leap: By a 10-foot running start, the lion can do the long jump almost up to 25 ft.,
Bite: Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 7 (1d8 + 3) piercing damage.
Claw: Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 6 (1d6 + 3) slashing damage.
Attributes Of Lion Monster
Bite 1d20 + 5 1d8+3
Claw 1d20 + 5 1d6+3
Perception +3, Stealth +6