Magic Weapons. The myrmidon’s weapon attacks are magical.
Multiattack The myrmidon makes two maul attacks.
Maul Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) bludgeoning damage.
Thunderous Strike (Recharge 6) The myrmidon makes one maul attack. On a hit, the target takes an extra 16 (3d10) thunder damage, and the target must succeed on a DC 14 Strength saving throw or be knocked prone.