Weakens an enemy unit, reducing its physical damage. Lasts 20 seconds.
Feasts on the vital energies of an enemy unit, healing Bane and dealing damage.
Puts the target enemy or friendly Hero to sleep and deals damage per second. Sleeping units are awakened when attacked, but the Nightmare passes to the attacking unit. The nightmared unit instantly wakes up if it takes damage.
CHANNELED - Grips an enemy unit, disabling it and causing heavy damage over time, while stealing mana every second based on the unit's maximum mana. Upgradable by Aghanim's Scepter.
Ends all ongoing Nightmares.