*Kayn wanders Runeterra with an ancient Darkin strapped to his back.He was chased by Noxus after he escaped and killed many people there.Kayn looks like a lonely wanderer who always hides in the shadows, he always fighting with himself or rather with his other personality,Rhaast. Kayn will not stop,his mind is steadfast because if he loses fighting that bloodthirsty personality then Rhaast will take over his body and use it to wield his power and unleash his bloodlust mine.That's why Kayn always avoids contact with people,always has two voice in his head

Kaynspeaking in his mind : "Stop your madness, you're a monster"

RhaastAnother voice in Kayn's mind replied "I am you! We are one....are monster!"