Axe Legion (5e Creature)
From D&D Wiki
Medium aberration, neutral
Saving Throws Str +12, Con +11, Int +9, Wis +6
Limited Telepathy. The legion can magically communicate simple ideas, emotions, and images telepathically with its master.
Magic Weapons. The legion's attacks are magical.
Axe. Melee Weapon Attack: +12 to hit, reach 5 ft., one target. Hit: 33 (4d12 + 7) slashing damage.
Crash Bomb (Recharge 6). The legion plunges its axe into the ground and leaves an ethereal duplicate in its place. Upon being touched or if the Legionis uses a bonus action to do so, the copy explodes with great power in a 10ft radius. Every creature in the affected area must make a Dexterity saving throw or take 8d8 force damage on a failed save, or half damage on a success. DC = 8 + proficiency + your Wisdom modifier.
Azure Shield (Recharge 6). The axe legion summons ethereal shields that float around and protect its Legionis. The next 3 times the legion's Legionis would be damaged, so long as it is summoned, the Legionis takes no damage and 1 of the shields is destroyed.