Ch.00: Preview

Part I Preview (예고편, Yegopyeon) is chapter 0, or preview, of the Tower of God webtoon.

Summary
"What do you desire? Money? Glory? Power? Revenge? Or something that surpasses all other? Whatever you desire - that is here. The Tower of God."

As the title suggests, this chapter is a preview of what is to come. The characters shown are Sunwoo Nare, Hatsu, Koon Agero Agnis, Anak Zahard, Rak Wraithraiser, Headon, and Baam, in that order. The reason why each character is climbing is also briefly stated.