The king cobra is one of the world's most poisonous and smartest snakes. It's Latin name, Ophiophagus hannah, literally means 'snake eater', hinting at the 20-foot-long reptile's favorite meal. Arbitrio is a leucistic king, not normal by any standards, and in the house of Black, not normal is a death sentence. So why is he the prince of Slytherin's trusted pet?

"Permission to do something in any way you choose to do it" The son of the notoriously rich - and powerful - Black family, Addi has always had life handed to him on a silver platter. He's the perfect son, the model pure-blood for his little brother, the 'better half' of his twin Sirius - until a raid gone wrong snatches the platter from his hands. **Marauder's Era AU**