The introduction of the 15th episode of The Nameless One was about Qian Zhifeng and Han Caiyi hiding in the woods when the fire was too strong. In this episode, Qi Feng was intercepted by Shimada with the coffin. When the Japanese insisted on opening the coffin, the mechanism inside the coffin was triggered, causing an explosion. Qi Feng smiled amidst the sparks. Other than that, the other plot details were not mentioned.
The plot introduction of the 14th episode of the Nameless One was that Qian Zhifeng accidentally found the note that Xiao Chang gave him, which made him very angry and confronted Han Caiyi. Qian Zhifeng was worried that Joseph would be chased by the Japanese because he was very vigilant and would not be manipulated by others. Xiao Tong's reckless behavior might lead to danger. However, other than that, the plot details were not provided.
The plot introduction of the 20th episode of The Nameless was: Zhao Yuanchu gave Qian Zhifeng a longevity lock, saying that it was for his son. In the chat, he said that he found a safe key in Qiao San's house, but when they went to open it, they found that it was empty. Qian Zhifeng also played dumb and agreed.
I don't know for sure as I haven't read this particular fanfiction, but usually in fanfiction, Percy could be a character from a popular book, movie or TV series.
I'm not sure who Percy specifically is without reading the fanfiction. It could be an original character created by the author, or perhaps a reimagined version of a known character from a particular franchise that the fanfiction is based on.
Percy in 'percy sings fanfic' could be a local singer or an amateur performer who decided to take on the interesting task of singing fanfic. Maybe it's a stage name, or it could be someone within a small community of fans who is known for this unique activity. Without more context, it's difficult to say for sure who this Percy is.
Past Percy is likely to be more impulsive. He hasn't faced as many challenges yet and might act before thinking. Future Percy, on the other hand, would be more cautious and calculating, having learned from past experiences.
In Percy tired fanfiction, Percy often shows signs of physical exhaustion. His usual energetic actions might be slower, like his sword - fighting skills not being as sharp. For example, in some fics, he might stumble during a fight instead of his usual confident moves.