Cold Obsidian (Obsidian Trilogy, #1)

It seemed strange to Kangassk to witness that man laugh. Somehow listening to Vlada tell him ancient stories felt more ordinary than this. He got used to her careless tone as she spoke about such things but that Sereg could laugh and not in a mean or menacing way was something entirely new.

There was another thought that made Kangassk feel uneasy: the way both worldholders kept their memories fresh and lively enough to recall the smallest details like that cracked table and laugh at them as Sereg laughed at breaking his fingers in a stupid fit of anger thousands of years ago. Kan suddenly felt mortal, vulnerable, and doomed, doomed to age and die just like all human beings are, but also reassured that he will never entirely disappear from the world because those two would remember him forever just like they remembered everything else...