Board Thread:Questions and Answers/@comment-114.79.61.138-20140113140303/@comment-24266041-20140306002702

Baam lived right next to the tower, so maybe the Shinsoo from the outside leaked and made him an Immortal, So maybe he MIT be a relative of Zahard 5k+ years ago. Spoiler: Time inside and outside the tower are different, so maybe, 5k+ in the tower is only like 200 years outside.