It could be that Alderheart discovers a dark secret about the Clan's past that some cats don't want revealed. These cats plot against him and ultimately cause his death. His death then sets off a chain of events where the truth slowly starts to come to light as his friends seek justice for him.
One possible plot could be that Alderheart succumbs to an illness that has been plaguing the Clan. His friends and family are left to mourn his loss and deal with the void he leaves behind in the Clan's medicine den.
A possible plot in a 'death of naruto fanfic' is that Naruto is killed in a political conspiracy within the ninja world. This could lead to a war between different ninja clans as they try to figure out who is responsible. Or perhaps Naruto's death is the result of a time - traveling enemy who changes the past in a way that Naruto no longer exists, and the story could be about his friends trying to reverse this change.
One possible plot could be that Beast Boy sacrifices himself to save his friends from a powerful enemy. Maybe he uses his unique shape - shifting abilities in a way that drains all his energy, leading to his death.
A rival medicine cat from another Clan might be the main antagonist. They could see Alderheart as a threat to their own status or the well - being of their Clan. So they might use dark magic or some underhanded tactics to bring about his death.
One possible plot could be that Hermione fakes her death to go undercover and spy on the Death Eaters. She might have discovered a crucial piece of information that can only be obtained by infiltrating their ranks secretly, so she stages her death to avoid suspicion.
Perhaps in the fanfic, Voldemort has found a way to nullify Harry's magic for a short time. Without his magic, Harry is just a normal boy and Voldemort takes this opportunity to beat him to death. It could also be that Voldemort has an unexpected accomplice who helps him corner Harry, leading to Harry's demise.
Maybe Spyro Oculus is cursed and has to find a way to break the curse. This could involve seeking out ancient magic or powerful artifacts. Along the journey, it meets different characters who either help or hinder it.
One possible plot could be that Asta sacrifices himself to save the Clover Kingdom from a powerful, ancient evil. He uses up all his anti - magic power in one final, epic battle, and his body just gives out. Another could be that he's poisoned by a new, unknown enemy who targets him specifically because of his unique power. This would lead to a slow and painful death for Asta, with his friends desperately trying to find a cure.
When writing an alderheart fanfic, it's essential to get into the mindset of a cat. Try to think like Alderheart. Consider his point of view in different situations. For instance, how does he feel when he's faced with a difficult decision? In terms of the plot, you can take inspiration from the existing lore of the cats but add your own twists. You can also use dialogue effectively to show the relationships between characters. And make sure to research the world of the cats, like their habits, their territories, and their hierarchy, so that your fanfic feels authentic.
One great alderheart fanfic is 'Alderheart's Journey' which delves deep into his character development. It shows his growth from a young, inexperienced cat to a more confident and wise one. Another interesting one could be 'Alderheart and the Lost Prophecy' where he is on a quest related to an ancient prophecy. And 'Alderheart's Allies' is also a good read as it focuses on his relationships with other cats in the clan.
One possible plot could be that Ash sacrifices himself to save Pikachu and his other Pokémon from a powerful, evil force. In the heat of battle, he realizes that the only way to stop the enemy from harming his beloved Pokémon is to give up his own life. His death then has a profound impact on the Pokémon world, with his friends and Pokémon left to carry on his legacy of kindness and determination.