Alvarath

Mace. Hit +9 on hit 3d8+5 Bludgeoning + 2d4 Fire

Magma Breath. Exhales a 20ft Cone of magma onto the targets. They have to make a DC 16 Dex save or take 5d10 Fire damage or half on a failed save. Recharge 5-6

Flaming Decent. Teleport into the air and come crashing down in an unoccupied 5ft area within 30ft of your starting location. all creatures within 5ft of the landing zone take 4d4 fire damage and need to make a DC16 Con save or be stunned until the end of your next round.

 Alvarath can take a total of 2 Legendary actions.

1 Action Mace. Hit +9 on hit 3d8+5 Bludgeoning + 2d4 Fire

1 Action Flaming Decent. Teleport into the air and come crashing down in an unoccupied 5ft area within 30ft of your starting location. all creatures within 5ft of the landing zone take 4d4 fire damage and need to make a DC16 Con save or be stunned until the end of your next round.

Legendary Resistance 2/Day