Normally he had been able to stop automatic writing by his will, but at that time, the more he tried to stop, the more pain he got in his right arm and he couldn't stop.
従来の自動書記では天明自身が中止しようと思えば中止出来たが、今回の場合は中止しようとすれば更に右腕の激痛が耐えられぬほどになり全く自由にならなかったという。