Chapter 621, "Preparation 3.", is the clearest early answer because it turns Amulet World's situation into a concrete plot event.
Chapter 453, "World history", is the clearest early answer because it turns World's situation into a concrete plot event. The setup is You have lost all ancient history?!, but the pressure keeps building through It is indeed not very practical to rely on one person to pass....
Chapter 454, "World history - 2", is the clearest early answer because it turns World's situation into a concrete plot event.
Chapter 599, "World Guardians", is the clearest early answer because it turns Flora's situation into a concrete plot event.
Chapter 310, "....", is the clearest early answer because it turns Orcs's situation into a concrete plot event.
Chapter 667, ".", is the clearest early answer because it turns Alec's situation into a concrete plot event. The setup is Alec jolted upright in his bed as he finally woke from his sleep,..., but the pressure keeps building through He reminisced about the significant changes in Titan’s status,....
Chapter 932, ".", is the clearest early answer because it turns Oni's situation into a concrete plot event.
Chapter 307, "...", is the clearest early answer because it turns Alec's situation into a concrete plot event.
Chapter 322, "...", is the clearest early answer because it turns Mage's situation into a concrete plot event.
Chapter 359, "...", is the clearest early answer because it turns Alderic's situation into a concrete plot event.