Once inside the chemistry labs he pulled out a nondescript closed paint can, pouring two beakers of what looked like thick water. Underneath were two facemasks and two paintbrushes. "You take the North wing, I'll take the south, meet up in the main hall." He said, heading off for his patch, painting thin lines on the walls and stairs, even on doors. It would take about five minutes for the liquid to start evaporating, then the fun would begin.