Keen Smell. The Lion has Advantage on Perception Checks that rely on Smell.
Pack Tactics. The Lion has Advantage on an attack roll against a creature if at least one of the Lion's allies is within 5 ft of the creature and the ally isn't incapacitated.
Pounce. If the lion moves at least 20 ft straight toward a creature and then hits with a claw attack on the same turn, that target must succeed on a DC 12 Strength saving throw or be Knocked Prone. If the target is prone, the lion can make one bite attack against it as a bonus action.
Running Leap. With a 10 ft running start, the Lion can long jump up to 20 ft.
Bite. Melee Weapon Attack: +4 to hit, reach 5 ft one target. Hit: 3-6-10 1d8+2 Piercing Damage.
Claw. Melee Weapon Attack: +4 to hit, reach 5 ft one target. Hit: 3-5-8 1d6+2 Slashing Damage.