Ambrose's knuckles were in fact sore and numb. He could hardly use any power. The only reason he could move right now was because of the anger he felt.

"Ambrose…" Heather yelled. Her exquisite face looked worried. 'Both of us are poisoned. There's no way we could defeat Yusof,' she thought.

She realized she could not stop Ambrose. While in shock, she remembered something and quickly whistled at the sky.

"Phweeee!" The clear whistle sound reached the sky.

The guards had no idea what Heather was doing, so they just let her be.

Ping, pang, ping…

At that moment, Ambrose had already started to fight Yusof. They continuously weaved around the hall and created numerous fighting sounds.

Since Ambrose was poisoned, his speed gradually slowed down. Before he knew it, Yusof got the chance and smacked his back.

Smack! Ambrose stumbled back and vomited a mouthful of blood.

With an evil smile, Yusof said, "Boy, you're too young to fight me…"

"Ambrose!" Heather's heart ached painfully. She