Noun
sozin (plural sozins)
Alternative form of sozine
It's telling that Roku's biggest regret is allowing his friendship with Sozin to blind him to the machinations of his former friend, and the war it led to. Source: Internet
So when a comet came rocketing past the Earth, Sozin seized the opportunity to launch an invasion of the Air Temples around the world, ultimately committing genocide to kill the Avatar. Source: Internet