Slightly

Alden took the note warily. It said 

"Watch your back."

He couldn't sleep.

He heard his window creak slightly signalling an intruder.

He turned and crouched low. The person entered in unsuspectingly. Surprisingly, he didn't see Alden.

Alden managed to crawl behind the intruder and jump on his back, and tried to pin him down.

The intruder cut him with a knife.

Alden staggered. He felt blood. It was silver.

He drove blows into the person's face, the intruder was a very strong man.

He couldn't see his face. He was wearing a mask.

However, he thought the person looked familiar. This person knew all his fighting skills. 

He changed his tactic and decided to engage this assassin. 

"Who sent you?" He asked. He could always identify the person through his voice.

The man refused to answer. Instead he swung so fast, tha