Among his fellow family members, Trenk suddenly stood up and departed from the bleachers. His father said nothing, though, seeing it as Trenk's usual, aloof behavior. Without Trantor there to watch Trenk in his place, Tranton didn't want to interfere with whatever his son was up to.
Trenk soon covered himself with a hood, put on a mask, and drifted along with the crowd. The aisles were pretty active as it was the intermission and now was the time to get anything or stretch before the next round began.
Before Trenk made his way to the fighting floor to visit his resting brother, he made a quick detour.