Chapter 453, "World history", is the clearest early answer because it turns Trent's situation into a concrete plot event. A useful checkpoint is the way the scene starts with You have lost all ancient history?! and follows through with ...Are we talking about the same world?.

Chapter 455, "World history - 3", is the clearest early answer because it turns World's situation into a concrete plot event. A useful checkpoint is the way the scene starts with This is what happened after the ancient Treants took over the lands...
Chapter 454, "World history - 2", is the clearest early answer because it turns Planet Jura's situation into a concrete plot event. A useful checkpoint is the way the scene starts with After Robin's questions, Jabba and the rest's features changed as...
Chapter 456, "World history - 4", is the clearest early answer because it turns Energy Cultivation Era's situation into a concrete plot event. A useful checkpoint is the way the scene starts with The energy density and the percentage of the laws were different...
Chapter 743, "History Lesson.", is the clearest early answer because it turns Protector's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Deep inside the Royal Palace of the Northern Kingdom, the King walked...
Chapter 144, "Patriarch History", is the clearest early answer because it turns Alec's situation into a concrete plot event. A useful checkpoint is the way the scene starts with After parting with Aileas and the other group of young generation...
Chapter 145, "Patriach History Part 2", is the clearest early answer because it turns Patriarch's situation into a concrete plot event. A useful checkpoint is the way the scene starts with “When I was attacked by five different patriarchs back then, he...
Chapter 153, "A World for Children", is the clearest early answer because it turns Bianca's situation into a concrete plot event. A useful checkpoint is the way the scene starts with [17 days of Protection Period] It just so happened that she received...
Chapter 297, "A Changing World", is the clearest early answer because it turns Tattoo's situation into a concrete plot event. A useful checkpoint is the way the scene starts with The depth that Robin could see was completely different from before,...
Chapter 599, "World Guardians", is the clearest early answer because it turns Demon's situation into a concrete plot event. A useful checkpoint is the way the scene starts with What do you mean by Emperors exactly?!" Robin stopped pacing back and...
Chapter 499, "A History Of Destroying Worlds", is the clearest early answer because it turns Wang Teng's situation into a concrete plot event. A useful checkpoint is the way the scene starts with While the mixed-bloods were searching for news of the dimensional... and follows through with He hurriedly went forward and sprinted to a certain spot in Graystone....