You might want to check out 'Lost in the Abyss'. Here, the MC is left for dead in a mysterious and dangerous world, yet finds a way to overcome the odds.
The main characters are a group of survivors. Usually, they are presented as a diverse set of individuals with different skills and personalities. They could be a tough - looking guy who is good at combat, a more level - headed person who can strategize, a young and agile one, and perhaps someone with medical knowledge. But the exact details are often left open - ended to some extent in the 'left 4 dead graphic novel' to allow readers to imagine.
One unique feature is the combination of magic and modern - day horror. In regular Harry Potter, it's mainly about magic and wizarding world politics, but in this fanfiction, magic is used to fight off the Left 4 Dead style threats.
Well, there are many. One example could be 'The Betrayed Hero's Journey' where the MC is betrayed by his closest allies.
Since I don't know the exact 'left for dead true story', I can't say for sure who the main characters are. But usually, there would be the victim who was left for dead and perhaps the people who left them in that situation.
Percy is surely one of the main characters, as the story is centered around him being left for dead. There might also be the people who left him, though we don't know who they are yet. Maybe there will be a character who discovers Percy and helps him, like a kind - hearted stranger.
Well, there are many. One example could be 'The Monster's Rebirth', where the MC is reborn as a powerful dragon monster and has to navigate a fantasy world filled with magic and adventure.
Well, one key feature is its unique plot. It combines mystery and some elements of the supernatural. The characters are also quite interesting, especially the detective herself who has a complex personality.
It could be a rogue ninja from another village who has a vendetta against Naruto. This ninja might have set a very elaborate trap that made it seem like Naruto was killed and left his body in a place where his friends would find him and think he was dead.
There are many. One example could be 'Divine Ascension' where the MC gains god-like powers and uses them to protect the world.
There are quite a few. One example could be 'The Skeletal Chronicles' where the MC is a powerful skeleton navigating a magical world.