In Chapter 3 of Opus Castle, the mystery surrounding the tragic events on Apa Street deepens. The shadows grow denser, and the line between reality and illusion begins to blur. As you venture into previously unseen areas of the castle, you'll discover disturbing memories hidden within its walls. The paranormal phenomena become increasingly intense, and each decision you make brings you closer to one of several story paths—will you find the truth or be swallowed by the castle's darkness?