Death Knight

Multiattack 3 longsword attacks
Longsword +11 / 1d8 + 5 slashing + 4d8 necrotic
Hellfire Orb 120ft, 20-ft-rad, DC 18 DEX ST
10d6 fire + 10d6 necrotic / half.

BAct Shadow Strike After melee atk, teleport 15 ft.

Destructive Wave 2x 30ft, DC 18 CON ST, prone,
5d6 thunder + 5d6 nec, half.
Staggering Smite Next hit + 4d6 psychic damage.