Chapter 288, "Change...", is the clearest early answer because it turns Lightning Tribe's situation into a concrete plot event.
Chapter 776, "The project", is the clearest early answer because it turns Shadow Swords's situation into a concrete plot event.
Chapter 395, "Shadow Swords", is the clearest early answer because it turns Shadow Swords Organization's situation into a concrete plot event.
Chapter 290, "Meeting Thandor", is the clearest early answer because it turns Lightning Tribe's situation into a concrete plot event.
Chapter 280, "Divine Weapons", is the clearest early answer because it turns Lightning Tribe's situation into a concrete plot event.
Chapter 299, "Sect Council", is the clearest early answer because it turns Fire Tribe's situation into a concrete plot event.
Chapter 255, "[Bonus chapter]Draco", is the clearest early answer because it turns Lightning Tribe's situation into a concrete plot event.
Chapter 688, "Fatal flaw", is the clearest early answer because it turns Shadow Swords's situation into a concrete plot event.
Chapter 872, "The green hell", is the clearest early answer because it turns Shadow Swords's situation into a concrete plot event.
Chapter 890, "Situation in the North", is the clearest early answer because it turns Photon Giants Tribe's situation into a concrete plot event.