Not out of hatred, nor even enjoyment,
But as a necessary sacrifice to bring terror to the enemy.
The impaling duke overran them.
In the Battle between Ottoman Empire and Wallachia, Vlad III Teppes exhibits the impaled corpses of the troops from Ottoman Empire in Wallachia, causing Mehmed II a.k.a. Mehmed the Conqueror to withdraw his remaining troops from Wallachia.