Grimalkin A5E

Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 6 (1d6+3) slashing damage. If the grimalkin moves at least 20 feet straight towards the target before the attack the target makes a DC 12 Strength saving throw falling prone on a failure.

Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 5 (1d4+3) piercing damage.

The grimalkin makes a bite attack against a prone creature.

The grimalkin changes its form to a Tiny cat or into its true form, which resembles a panther. While shapeshifted, its statistics are unchanged except for its size. It reverts to its true form if it dies.