Pentadrone

Disintegration. If the modron dies, it disintegrates into dust, leaving behind anything it was wearing or carrying.

Multiattack. The modron makes five Slam attacks or five Electrical Discharge attacks.

Slam. Melee Attack Roll: +4, reach 5 ft. Hit: 5 (1d6 + 2) Force damage.

Electrical Discharge. Ranged Attack Roll: +4, range 120 ft. Hit: 5 (1d6 + 2) Lightning damage.

Paralysis Gas (Recharge 5–6). Constitution Saving Throws: DC 11, each creature in a 30-foot Cone. Failure: The target has the Paralyzed condition and repeats the save at the end of each of its turns, ending the effect on itself on a success. After 1 minute, it succeeds automatically.