The Undead Lord Starts with Taking Concubines

Winter is coming, and a savage massacre occurs on the border of the empire. Salvatore, who traveled through time, became the lord of the slaughtered castle. His territory was completely destroyed and there was nothing left. At this moment, Salvador activates the concubine system and can obtain the source of the undead to rebuild his territory! [Ding, consume 2 points of the source of the undead to resurrect one of your subjects] [Ding, consume 200 points of the source of the undead to strengthen the third-level knight! [Ding, consume 2000000000 points of the source of the undead to establish the Nasak underground undead army! … Many years later, Salvador rode a bone dragon and descended over the empire. Even the empress would bow her proud head in front of him...