Evil—

Plague: The Death Knight's normal attack comes with the Plague attack, which is currently only available to organic lifeforms

Bone Shield: Summons a skull around the body, blocking all damage, weakening the protection with each damage taken

Strangulation: Neutralize an enemy with the power of evil, making it impossible to breathe

Anti-Magic Shield: Causes the Death Knight to be protected by an anti-magic shield that absorbs all magic damage, with a limit

Anti-Magic Zone: Creates a large static anti-magic realm that protects everyone in the realm from magic damage, with a limit

Desecrated: Summons an evil aura that forms a hand of death on the ground that can restrain the movement of enemies

Withering: Corrupts the target area, dealing continuous damage to all organic and inorganic lifeforms and structures

Necrogenization: Summons evil energies to transform yourself into undead creatures, immune to all charm, fear, and hypnotic effects

Death's Grip: Uses the full evil energy that envelops the target to pull it towards the Death Knight

Resurrect the corpse: The resurrected corpse temporarily fights for itself, and the stronger the corpse is during its lifetime, the shorter the duration

Corpse Explosion: Detonate a corpse to explode, the stronger the corpse is during its lifetime, the more powerful it is, and the corpse of a mechanical or elemental creature cannot be used

Death Coil: Fires evil energy that deals shadow damage to an enemy target, or heals the wounds of undead creatures

Frost –

Wind Impact: Attack targets with cold, relentless winds, attacking and even freezing targets

Ice Fortitude: Freezes your own bloodflow, immunity to Stun, and reduces all damage taken

Frost Path: Creates an ice layer underfoot that can be walked on water

Ice Chains: Restrain the target with heavy chains of frost, rendering them immobile

Hunger Chill: Draws nearby heat to freeze nearby enemies

Blood—

Blood Boiling: Controls the blood boiling in living organisms, which is only effective against enemies whose bodies are not strong enough

Frenzy: Enrage your Death Knight's men, increasing their strength by 100%.

Death Strike: Use weapons to attack enemies, drain their life force, and restore their injuries

Blood Aura: Increases the recovery and speed of undead summons and death knights

Runes: Activate blood, evil, and frost runes on your body, temporarily enhancing your abilities in a certain area

Summoning –

Ghoul: The lowest undead unit that attacks with plague

Gargoyle: A flying unit capable of emitting evil magic projectiles that can turn into stone statues to quickly regain their vitality

Stitching Monsters: Monsters made up of a variety of corpses, with great power, covered in plague viruses

Stitched Giants: Undead giants between ten and fifteen meters tall with only physical strength

Lich: Necromancer, group teleportation, frost magic, and shadow magic

Dark Eye: The Eye of Naxxramas, a spirit transformed by the Sacrifice Altar Living Sacrifice, immune to physical attacks, non-attackable, invisible, and the best Scout

Sindragosa: The powerful leader of the Frost Dragon, formerly the consort of the guardian dragon Malygos, who wields the powers of Frost and Arcane

Frost's Sorrow —

Soul Shock: Use Frost Sorrow to smash the souls inside to launch a spirit shock on enemy targets

Soul Extraction: Able to drain the soul of a weakened target