Punisher

Punishers are a type of Reaper. They are the heavy shock troops of Malthael's forces.

Diablo III
Punishers are found in Westmarch in of Diablo III. Later on, they are replaced by Executioners, an empowered variant with similar abilities.

Punishers are slow but tough, and possess a very dangerous Stunning attack that can cause Knockback. From medium distance, they can also jump down at their victims, stunning everything in a radius of effect. Multiple Punishers, if encountered without precaution or if accompanied by other Reapers, can continuously keep the player stunlocked, making a character an easy prey. Punishers themselves are immune to Knockback.

After the player leaves Westmarch, they are no longer encountered.

Uniques

 * Ankou (Briarthorn Cemetery, Grave Situation event)
 * Getzlord (Westmarch Commons)
 * Ghrentuloth (Westmarch Heights)
 * Josh Mosqueira (Rift Guardian)
 * King's Guardian (Set Dungeon)
 * Micheboar (Westmarch Heights)
 * Monkey Guardian (Set Dungeon)
 * Pontius (Westmarch Commons)
 * Therk (Westmarch Commons)
 * Uzkez the Annihilator (Westmarch Commons, Killing Floor, A Shameful Death event)

Heroes of the Storm
Punishers appear in the Heroes of the Storm map Infernal Shrines.