The Outsider

The words that Arthur picked wisely worked like a charm to convince Si of helping him. When the notion of Mistletoe gaining a fortress that was capable of moving and attacking was mentioned, Si's eyes gleamed with zeal as if he could already imagine it. 

That's why he agreed to send people with Arthur to help him. They were Ivy, Zas, and Li. Reece had to stay with Master Ronin and Si so they could work on their plan of robbing the palace. Since the Calamity spider would arrive at the border of the kingdom in a day, the group had to set out immediately. 

"How would you stop that chunk of metal, Arthur?"