If Xue Yang thought he might be nervous, or might flinch at the display, he might find himself surprised. Senku wasn't concerned about Xue Yang trying to hurt him, and when that happened, he had a habit of just keeping still unless he had to move when people displayed their moves, even if they were trying to threaten him at the same time.

He had faith Xue Yang wasn't trying to burn him.

"Hmmmm." He mused. "So with these talismans, is it the problem in the talisman itself, I mean, what's written on it, or is the problem with the technique?"