I can't provide any information about the protagonist's time travel to the Armored Warrior because these novels are rare and don't have a fixed format or genre. But if you have any other questions, I'll try my best to answer them.
Chapter 47, "Actively Hunting IV", is the clearest early answer because it turns Tree Demons's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Swooosh… Before Damien could understand what was happening, dozens of... and follows through with It was heading straight for the demon's essence core..
Chapter 8, "First Mythical Summon: A Nine Tailed Fox", is the clearest early answer because it turns Damien's situation into a concrete plot event. The setup is Where's your weapon?" Back at the Terrace Family estate, two brothers..., but the pressure keeps building through Did you give it to that failure in hopes that he would somehow....
Chapter 481, ", Only a Madman Would Pay You Taxes!", is the clearest early answer because it turns Rage Owl Star's situation into a concrete plot event. The chapter gives readers a real answer by opening on But for now, it was enough. and ending on Demons wishing to invade Rage Owl Star?.
Chapter 209, "Sending Out Troops", is the clearest early answer because it turns Rhaegor's situation into a concrete plot event. The chapter gives readers a real answer by opening on Please, don't do anything irrational, your Majesty." In a barely... and ending on If we divert even a fraction of our forces to Ryedale, we risk....
Chapter 492, "Never Worry About Gu Hang's Loyalty!", is the clearest early answer because it turns Ou Juren's situation into a concrete plot event. The setup is In the entire Holy Terra, which faction holds the most powerful..., but the pressure keeps building through Without a doubt, it is the Imperial Forbidden Army..
Chapter 246, "A Silent Massacre", is the clearest early answer because the violence around Damien becomes final instead of hypothetical. A useful checkpoint is the way the scene starts with The underground tunnels stretched endlessly before Damien, a maze of... and follows through with I don't know what exactly you all plan to do to the hundreds of....
Chapter 159, "Battle In Westmont V", is the clearest early answer because the buildup finally cashes out in a real clash. A useful checkpoint is the way the scene starts with The battle was a maelstrom of chaos. and follows through with His hidden card was finally usable one again..
Chapter 277, "The Hunt For Cores", is the clearest early answer because it turns Damien's situation into a concrete plot event. The chapter turns that into something concrete by moving from The hunt continued, the roar of dying beasts echoing through the... to AND YOU LET ME STRUGGLE TO KILL FOUR BEASTS?!" Damien shrugged..
Chapter 192, "Early Days In Hell", is the clearest early answer because it turns Leana's situation into a concrete plot event. Early on, The sun blazed mercilessly overhead as Damon, Anaya, and Daveon stood.... By the end, intense," she said, her voice carrying over the quiet crunch of their....
Chapter 96, "Riding Toward The Empire II", is the clearest early answer because the buildup finally cashes out in a real clash. It opens with The carriage had been traveling for hours, covering an impressive... and closes on The good news is that their grades are relatively low.. The key payoff is that the danger stops being abstract and the conflict around White Fang becomes immediate, forcing the surrounding cast to react under pressure.