Milo's friends aside from Maria knew about Milo's reawakening. Chris and Mark were witnesses to it and Allana had overheard it from her brother. Hearing the student challenge Milo, the three of them knew the thrashing that was to come.
"Oh boy," Chris said, "this kid is in for it."
"Anyone else excited to see Milo throttle this kid with his new powers?" Mark said.
Hearing Mark say this, Maria was confused for two reasons. First, Mark was usually a calm and collected person who didn't care much for fights unless they were necessary, and second the mention of "new powers."