Another plotline might involve Riolu's transformation due to a special item or a mysterious place. Maybe it discovers an ancient stone that unlocks its latent powers and transforms it. This could lead to Riolu having to learn to control its new abilities while also facing challenges from other Pokemon or trainers who are interested in this new powerful form.
One common plotline could be Riolu's transformation being triggered by a powerful emotion like protecting its trainer. For example, in some fanfictions, when the trainer is in great danger, Riolu's bond with the trainer causes it to transform into a more powerful form, perhaps Lucario. This showcases the deep connection between Pokemon and trainer.
A third common plotline could be Riolu's transformation as part of a prophecy. In the fanfiction world, there could be a prophecy that a Riolu with a certain mark or trait will transform and bring balance to the Pokemon world. This would involve Riolu going on a journey to fulfill this prophecy, meeting various allies and foes along the way, and growing both in strength and character during its transformation process.
Chapter 327, "Official Announcement Entering the Circle!", is the clearest early answer because it pushes Shen Lan into a new phase or setting. The chapter turns that into something concrete by moving from Three hours later, the shoot was over, and Shen Lan personally picked...
Chapter 518, "Calculator: 438", is the clearest early answer because it turns Miss Jiang's situation into a concrete plot event. The chapter gives readers a real answer by opening on I won't eliminate you." Jiang Li's statement came as a shock.
Chapter 238, "The Guests Were Dumbfounded, The Audience Was Excited", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event.
Chapter 246, "Betting He Can't Last Even One Second", is the clearest early answer because it turns Director Sun's situation into a concrete plot event.
Chapter 354, "Mr. Luo, Aren't We Unfamiliar?", is the clearest early answer because it turns Liu Suqing's situation into a concrete plot event.
Chapter 718, "This Person Is No Longer the Same Person", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event. The chapter turns that into something concrete by moving from Changqing noticed her amazed gaze and his eyes also shifted to the...
Chapter 327, "Official Announcement Entering the Circle!", is the clearest early answer because it pushes Jiang Li into a new phase or setting. The chapter gives readers a real answer by opening on Three hours later, the shoot was over, and Shen Lan personally picked...
Chapter 304, "Shh, Let's Not Disturb Big Sister", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event.
Chapter 228, "Younger Brother is the Number One Hater?!", is the clearest early answer because it turns Huo Xuan's situation into a concrete plot event. The chapter gives readers a real answer by opening on Huo Ziyang had not stepped out of the house for a whole week.
Chapter 594, "Raising Soldiers for a Thousand Days, Using Them for a Moment", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event.