1. At the end of the prologue, choose "Explore now".
Do not choose "Train with the black energy for another day", or captive man will die.
2. Captive man's room: Choose: Peek inside → Observe → Keep observing → Build my strength.
3. While exploring the map (middle-left area), find the healing note about black energy.
4. As you continue exploring the prison, a yellow message will appear:
"Newly learned use of black energy, I might be able to help him."
5. Return to captive man's room and click on the silhouette. This will trigger a mini-game.
Your choices during the mini-game do not affect the outcome.
6. After infusing him with black energy and exiting the room, you’ll see:
"There's nothing more I can do."
7. You must rescue at least one more companion to unlock the boss battle.
8. During the boss fight, if boss use captive man as a shield, the option "Threw myself forward" will become available.