Not sure. It depends on which manga you're referring to. Different mangas have different storylines and character fates.
Well, that can vary greatly. Some mangas might have their main characters die in dramatic ways for plot twists, while others keep them alive throughout. You'd need to be more specific about the manga you have in mind.
It's hard to say without knowing the specific manga. Many mangas keep the main character alive to drive the story forward, but there are some where unexpected deaths occur to add shock value or change the course of the narrative.
Chapter 560, "These People Have Definitely Been Cursed!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. The chapter turns that into something concrete by moving from But the other party had already walked far away, and it didn't seem...
Chapter 445, "Mysterious Creature Appears!", is the clearest early answer because it turns Yu Zhongyi's situation into a concrete plot event. Early on, Maybe I should just forget it, I can just watch you from below."....
Chapter 475, "Doting on the Man You Love to the Fullest", is the clearest early answer because it turns Doting's situation into a concrete plot event. Early on, On the other side, Jiang Yan and Shang Shuyue also set off..
Chapter 440, "You Know Fengshui Array?!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. A useful checkpoint is the way the scene starts with The scorching afternoon sun, wrapped with moist sea breeze, ascended...
Chapter 496, "Taiji Formless Array! (4K)", is the clearest early answer because it turns Qianyuan Cave Heaven's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Overwhelming demonic qi surged forth, as the two teams from Mount... and follows through with My cultivation has already reached your level, and it's time for you....
Chapter 465, "I Want Black Truffles", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event. The chapter turns that into something concrete by moving from Zheng Xun urgently mobilized the program's plant expert.
Chapter 613, "When a Whale Falls, All Life Thrives", is the clearest early answer because it turns Xu Village's situation into a concrete plot event.
Chapter 649, "Where Did the Wild Wolf Come From?!", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event.
Chapter 522, "The First Test for the Scion of the Wealthy Family Has Arrived", is the clearest early answer because it turns Deserted Island Wilderness's situation into a concrete plot event. The setup is The assistant director's execution was swift;
Chapter 606, "Are There Crocodiles?!", is the clearest early answer because it turns Zhao Lang's situation into a concrete plot event. The chapter gives readers a real answer by opening on Hearing Ji Yanbai volunteer to stay behind, everyone ceased to have...