Whirling Dive (Recharge 2-4)  The Undying dashes 20 ft forward, swiping at every enemy in its path. Each enemy within a 20 foot line must make a DC 14 dexterity saving throw, or take 11 (4d4+1) slashing damage. On a successful save, target takes no damage. 

Claws. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 7 (2d4 + 2) slashing damage. If the target is a creature other than an elf or undead, it must succeed on a DC 14 Constitution saving throw or be paralyzed for 1 minute. The target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.