Old Mo frowned as though he was in deep thought while staring at the aeth engine. 

There was only one key stage left. If he could solve it, a newly transformed aeth engine would be completed and the Violet Hero Battleship would be reborn. 

However, this last stage was also the most difficult. Old Mo estimated he had less than a ten percent chance of succeeding.

He was troubled about how to guarantee the greatest rate of success.

Old Mo looked a little irritated when Lin Xun came to look for him. Just like other rune masters, Old Mo hated being disturbed the most when he was focused on work.

Fortunately, Lin Xun was the one who came. If it were anyone else, Old Mo would have driven them away already. 

“You want me to help you make a crossbow?”

Lin Xun’s purpose of coming surprised Old Mo but his eyes suddenly gleamed with interest. He patted his small chest and said confidently, “This is a simple matter, leave it to me! I owe you a huge favor from last time. I haven’t had the time to properly thank you yet. I have always felt bad. Let me compensate you this time. I will make the finest crossbow...