Chapter 218 I Do Not Know

• Annabeth weighed it in her hand. Although the box appeared to be made of wood, it was actually a type of metallic compound. This compound was so durable that even if buried underground for tens of millions of years, the box would likely remain undamaged.
• She inserted the key directly into the lock, and the moment she opened the box, a sudden tremor ran through her.
• As soon as the emerald met the air, it emitted a faint green glow. However, the light was fleeting, soon fading back to a plain and unremarkable appearance.