'Did he come here by himself?'
Even as a reader who had experienced this event through words before, Leo was no longer just a 'reader'. He had spent years in this world and influenced it to go in a certain direction. What was going to ensue at this moment naturally wouldn't follow the script.
Originally, 'he', the Arthur who lost his mind, would be the precursor behind this flaring start. However, Leo had bypassed the events that resulted in that. He was currently standing inside, so the 'boss' had to have changed his plans.
Would he forgo distraction and rush to his target? Or did he prepare a different kind of replacement for him? Leo could only consider all possibilities, the only thing he was sure of was that only he and the final boss himself could cause such a degree of damage judging from the sound…
Bang! Bang! Bang!
"What is going on?"