Multiattack. The Rusted makes two attacks, using Greatsword or Javelin in any combination.

Greatsword. Melee Attack Roll: +6, reach 5 ft. Hit:11 (2d6 + 4) Slashing damage, and the target has the Poisoned condition until the end of its next turn.

Javelin. Melee or Ranged Attack Roll: +6, reach 5 ft. or range 30/120 ft. Hit:11 (2d6 + 4) Piercing damage, and the target has the Poisoned condition until the end of its next turn.