Forfeit Your Lives

"Someone's here." Mark then said as he took a few steps again.

"Stop right there, intruders!" A voice boomed. "Put your hands above your head."

Both boys froze in place. "Who are you?" Mark asked.

"I am Sir Alex. You have invaded the kingdom uninvited. Your presence here is an offense punishable under the laws of the Kingdom of Winchester."

"Where do you think we're going?" Scott asked.

He turned around with his sword drawn. "If you continue, you will suffer the consequences of angering me."

Scott laughed. "You think we're like...normal people, right?"

Mark joined in the laughter. "I think he does. In a place like this, the thunderclap would be hella dangerous."

Where's the fastest place sound can travel?