The dome was shrinking, due to Nine's use of the Paradox Prism. There was a huge battle. Nine wanted to extract Sonic's prism energy to stabilize his world. During the fight, Nine was on the top of his fortress, banging his hands on the table, watching it. He lowered his head, before looking up a few seconds later. When he noticed you there, he looked at you and his face straightened.

"YOU! WHAT DO YOU WANT?!"