Who could be the main antagonist in a Miraculous Ladybug Bluerosesnow fanfiction?

Chapter 282, "Defending Westmont I", is the clearest early answer because it turns Westmont's situation into a concrete plot event. The setup is ~An Hour Earlier~ Lord Raegon's army marched forward, their..., but the pressure keeps building through The sheer size of the approaching army was enough to make lesser men....

Chapter 63, "Dead... Dead?", is the clearest early answer because the violence around Yuan Cheng becomes final instead of hypothetical. A useful checkpoint is the way the scene starts with Although the Wood Puppet Monster's body has enlarged, it still... and follows through with Laughing while retracting its black blade from the ground, placing it....

Chapter 232, "This Isn't A Dream II", is the clearest early answer because it turns Damien's situation into a concrete plot event. The setup is Damien pushed through the thick fog, his steps purposeful as he..., but the pressure keeps building through Fenrir remained by his side, its ears perked and alert, though even.... Once the chapter lands on Fenrir…" Damien whispered, his heart sinking as the wolf's stance..., the chapter closes with With that, the world around him began to fade.

Chapter 283, "Defending Westmont II", is the clearest early answer because it turns Defending Westmont II's situation into a concrete plot event. The setup is Seeing how things were going to turn out if he didn't take control of..., but the pressure keeps building through Turning to his commanders, he issued his next order..

Chapter 440, "Wrong Targets", is the clearest early answer because it turns Damien's situation into a concrete plot event. The setup is Damien landed like a meteor among the trees, the shockwave throwing..., but the pressure keeps building through His blade flashed once, cutting through the early mist..

Chapter 9, "Ice Shuo, Vermilion Frost, Gold Lin", is the clearest early answer because it turns Ice Trees's situation into a concrete plot event. The setup is The Great Xia Camp has finally birthed a new logging-grade combat..., but the pressure keeps building through The mood of the people immediately improved quite a bit..

Chapter 332, "Arriving At Greshan", is the clearest early answer because it turns Damien's situation into a concrete plot event. The chapter gives readers a real answer by opening on Wooooongg ~ The glow of the teleportation array dimmed behind them as... and ending on It was a building that seemed too unassuming, which in Greshan.... In story terms, the chapter closes with "She's here." The shadow paused for a brief moment before hmut continued.

Chapter 439, "Captain Veyne's Dead", is the clearest early answer because the violence around Damien becomes final instead of hypothetical. Early on, The next morning wasn't the same.. By the end, Not before your mother!" The soldiers looked away, some bowing their....

Chapter 151, "Hot And Spicy I", is the clearest early answer because it turns Damien's situation into a concrete plot event. It opens with They're back!" No one knew who shouted it first but soon, everyone's... and closes on She looked up as the door swung open, a spark of recognition lighting....

Chapter 300, "A Battle In The Testing Phase", is the clearest early answer because the buildup finally cashes out in a real clash. The setup is All Year Three students walked toward the speed platform—a straight..., but the pressure keeps building through The stones would record speed, acceleration, and flow of essence....