The small purple tower quietly floated within the storage space.

Su Xin could tell that this small tower was a relatively high-level sealing treasure. Although it held considerable value, it was comparable to the black mountain made of Wuling Mother Iron at best.

What truly caught Su Xin's attention, however, was what was being suppressed by this purple tower.

Su Xin's consciousness penetrated the purple tower, and he immediately saw the object being suppressed inside—a black droplet emitting a faint, eerie glow.