Multiattack

The kallikantzaros makes two handsaw attacks or two spear attacks.

Handsaw

Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 5 (1d6 + 2) slashing damage. The handsaw does an extra die of damage against a target that is wearing no armor.

Spear

Melee or Ranged Weapon Attack: +4 to hit, reach 5 ft. or range 20/60 ft., one target. Hit: 5 (1d6 + 2) piercing damage or 6 (1d8 + 2) piercing damage if used with two hands to make a melee attack.

Misery Whip

Two kallikantzaros can combine their actions to move up to their speed with a 5-foot, two-person saw held between them and attack a single creature in their path. The target must succeed on a DC 13 Dexterity saving throw or take 9 (2d6 + 2) slashing damage. If the creature is Large or smaller, it must succeed on a DC 13 Strength saving throw or be knocked prone. If the target is knocked prone, each kallikantzaros may make a handsaw attack against it as a bonus action.