Kellon looks skeptically between the instruments and the flagpole at the edge of the room. "Even if I knew the answer to that question, would it make any difference," he retorts lightly.

Since they have some time while Anton makes his observations, and nothing immediately jumps out at them, Kellon begins performing his own ritual to probe for the ebb of magic in the room. Now that he is no longer concerned with crashing through the floor, Kellon dances lightly to better facilitate his gestures, shifting from one foot to the other as he chants.
Spoiler: OOC
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Another ritual of Detect Magic.