Well, sometimes in Pokemon fanfic, regret can stem from overused tropes. When a fanfic just repeats the same old 'trainer gets a super - powerful Pokemon and easily defeats all opponents' story, it gets boring and makes you regret reading it. And if the relationships between the characters, like between a trainer and their Pokemon, are not well - developed or seem forced, that's another source of regret.
In Pokemon fanfic, a major cause of regret can be inaccurate information about the Pokemon themselves. If an author gets the types, abilities, or evolutions wrong, it can be really off - putting. Also, when the fanfic focuses too much on one aspect, say, just battles and ignores other important elements like the Pokemon's nature or the bond between different Pokemon in a team, it can lead to regret.
One common reason could be bad character development. For example, if an author makes a beloved Pokemon character act completely out of character just to fit a plot, it can lead to regret. Another might be poor world - building. If the Pokemon world in the fanfic doesn't feel like the real one, it can make readers regret spending time on it. Also, rushed endings where important plotlines are left unresolved can cause regret.
Writers should research thoroughly about Pokemon. Know their types, abilities, and behaviors accurately. This way, they won't make mistakes that could lead to regret. Also, they should plan their plots well in advance to avoid rushed endings or unresolved plotlines.
One possible reason could be that he finally realizes Sakura's unwavering love for him. Throughout their time apart, he might have come to understand how much she truly cared, and now he regrets not being there for her. Also, he could have seen how she grew stronger on her own and feels he missed out on being part of that growth.
One reason could be the unrealistic expectations they set. For example, the perfect love stories in romance novels might make readers disappointed in real - life relationships. Another reason is that some romance novels are overly cheesy or clichéd, which can make a reader feel like they've wasted their time on something of low quality.
One common reason could be career choices. For example, if a wife gives up her promising career to support her husband's job relocation and later realizes she misses her professional growth. Another reason might be related to family decisions. Say, agreeing to have a large family too soon without fully considering the financial and personal implications, and then feeling regret when the stress becomes overwhelming.
One common theme is lost relationships. Naruto often regrets not being able to save certain people or keep his friendships intact. For example, his relationship with Sasuke is a big part of this. He might regret not being able to stop Sasuke from leaving the village earlier or not understanding his friend better.
It could be that Alex regrets due to not standing up for someone when he should have. Or perhaps he made a decision that had unintended and negative consequences.
One common theme could be Kushina's regret over not being able to see Naruto grow up more. Maybe she wishes she could have been there to protect him from the hardships he faced in the village. Another theme might be her regret regarding the circumstances of her death and how it affected Naruto's life.
In these fanfictions, a common theme is self - reflection. Naruto's parents reflect on their past actions and decisions that led to their current state of regret. Another theme is the concept of redemption. They may try to find ways to make up for their absence in Naruto's life, even if it's just in the spiritual or dream realm. Also, there's the theme of connection, as they yearn to reconnect with Naruto on an emotional level.
Self - discovery is also a theme. They come to understand themselves better through the regret. Sasuke might realize that his pursuit of power wasn't as fulfilling as having a relationship with Sakura, and Sakura might learn to value herself more after years of pining for Sasuke.
One reason could be a sense of over - whelming responsibility. If Ash has too many Pokemon to care for in the fanfic, he might feel he can't give each one proper attention and thus abandons some. Another possibility is if a particular Pokemon has some sort of 'dark side' or uncontrollable power that Ash fears he can't handle, leading to abandonment.