Maybe Magneto could be the villain in a sense. He could have a misunderstanding about Harry and think he's a threat to mutants. So he attacks Xavier's Mansion while Harry is there, and Harry has to convince Magneto that he's there to help and not harm mutants. And there could be a more powerful dark force manipulating Magneto from behind the scenes.
A new villain created just for this fanfiction could be a powerful dark wizard - mutant hybrid. This character could have all the evil intentions of Voldemort and some of the unique and dangerous powers of the mutants. He would be a huge threat to Xavier's Mansion as he wants to destroy all those who oppose his rule, both wizards and mutants, and Harry has to stop him.
Chapter 94, "Building a New Wooden House", is the clearest early answer because it turns Logging Team's situation into a concrete plot event. It opens with As the Cold Beast Meat was distributed, everyone couldn't wait to... and closes on Calculating two jin per person per day, they wouldn't consume much....
Chapter 164, "The World in the Mirror, Immortal and Indestructible", is the clearest early answer because it turns Great Xia's situation into a concrete plot event. Early on, Mirror Immortal Station, a bustling crowd gathered at the edge of the.... By the end, After all, under normal circumstances, the power of Great Xia was....
Chapter 113, "Did I Fall into Heaven?", is the clearest early answer because it turns Cold Beast Meat's situation into a concrete plot event. A useful checkpoint is the way the scene starts with When they reached the front of the crowd and saw the scene in the... and follows through with A new home, after over half a year of construction, was finally near....
Chapter 107, "The Great Peril on the North Slope of the Cliff [3-in-1 Mega Chapter]", is the clearest early answer because it turns Xia Hong's situation into a concrete plot event. The chapter turns that into something concrete by moving from But speaking of it, just how big is Redwood Ridge..." That thought... to The world's dangers didn't only stem from deceitful monsters; who....
Chapter 109, "The Consequences of Being Too Clever", is the clearest early answer because it turns Luo Yuan's situation into a concrete plot event. Early on, On the north side of Redwood Ridge, within the territory of the Lu.... By the end, Though the Teng Jiao's eyes were shut, its nostrils exhaled white....
Chapter 104, "The Camp's Strength, Rapid Enhancement (2-in-1 Mega Chapter)", is the clearest early answer because it turns Great Xia's situation into a concrete plot event. The chapter turns that into something concrete by moving from As Xia Hong had predicted, ten days after Luo Yuan's breakthrough,... to But the increasingly busy scene in the valley camp made Xia Hong feel....
Chapter 121, "Everything is Ready, Let's Get Started [Three in One]", is the clearest early answer because it turns Get Started's situation into a concrete plot event. Early on, By calculating, it's clear that during this period, both their bodies.... By the end, Every other day, he would go to the North Slope of the mountain wall....
Chapter 123, "Arrow Bamboo Forest, Rat King, New Camp", is the clearest early answer because the buildup finally cashes out in a real clash. The chapter turns that into something concrete by moving from Facing such an overwhelming victory, Xia Hong couldn't help but feel... to Not to mention, it shot out directly from underground!. What makes it stick is that the chapter closes with At this moment, Xia Chuan had placed the unconscious Luo Yuan on the ground.
Chapter 170, "Camp Integration, Territory Rapid Expansion (Part 1)", is the clearest early answer because it turns Xia Hong's situation into a concrete plot event. Early on, The wooden hut structure has completely collapsed, and many iron.... By the end, With the population suddenly skyrocketing this much, the urgent need....
Chapter 108, "Long-tailed Rodent [3-in-1 Mega Chapter]", is the clearest early answer because it turns Xia Hong's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Xia Hong leaped to block on Luo Yuan's left side, only exchanging a... and follows through with Squeak, squeak, squeak, squeak..." A squeak louder than any other....