Well, a fanfic about Cayde 6 and Shiro 4 could be an exciting adventure story. It might involve Cayde 6's skills as a Guardian in the Destiny universe and Shiro 4's unique abilities coming together for a common goal. Maybe they are on a mission to save a planet or defeat a powerful enemy. The fanfic could explore their different personalities and how they interact with each other, like Cayde 6's humor contrasting with Shiro 4's more serious nature.
In a Cayde 6 and Shiro 4 fanfic, it might explore their backstories. Cayde 6's past as a Guardian in Destiny could be contrasted with Shiro 4's own origin story. They could learn from each other and grow as characters while facing challenges like a new alien threat or a mystery that spans multiple galaxies.
Cayde - 6 was an Exo Hunter in the Destiny universe. He was one of the Vanguard, tasked with protecting the Last City. Cayde was known for his charm and his love for adventure. However, he met his end at the hands of Uldren Sov. His death was a major event in the Destiny storyline, leading to a lot of quests for revenge and the search for answers among the Guardians.
First, you need to know the character of Cayde 6 well. Understand his personality, his backstory, and his abilities. Then, choose the universe you want to cross him over with. Research that universe thoroughly too. Decide on a plot that makes sense for both Cayde 6 and the new universe. For example, if it's a crossover with the Final Fantasy universe, maybe there's a threat that only their combined powers can stop. Start with an engaging opening that grabs the reader's attention, like Cayde 6 suddenly finding himself in a strange new world.
The plot could be a race against time. Cayde 6 and Shiro 4 discover that there is a powerful weapon about to be used for evil. They have to travel across different galaxies to find the pieces needed to deactivate it. Along the way, they face various obstacles like hostile alien races and dangerous space phenomena. Their combined skills are the only hope to stop the weapon from being activated and causing destruction.
In Cayde - 6's story, first, his establishment as a Hunter and part of the Vanguard was important. He had many encounters during his adventures that shaped his character. But the most crucial event was his death. This led to a lot of changes in the Destiny world. The Guardians became more determined to seek revenge and find out the truth behind his murder. His death also affected the relationships between different factions in the game, as they all had to deal with the aftermath of such a significant event.
One good example could be a crossover with the Mass Effect universe. Imagine Cayde 6 teaming up with Commander Shepard. The story could explore how their different combat styles and personalities interact. Another might be a crossover with the Star Wars universe. Cayde 6 could find himself on a planet in the Outer Rim, dealing with smugglers and the like. There could also be a crossover with the Warframe universe, where Cayde 6 teams up with the Tenno to fight against a common enemy that threatens both their worlds.
Perhaps Cayde 6 and Shiro 4 are in a race against time. There is a powerful energy source that is about to be misused by an evil force. They need to find it and secure it before it's too late. Cayde 6's knowledge of different terrains and Shiro 4's combat skills would be crucial in this mission. They would face many obstacles like hidden bases of the enemy and traps set to stop them.
Cayde and Ace are the main characters. Cayde, known for his charm and bravado in the Destiny series, and Ace, who could be a character with his own set of skills and a unique backstory. The fanfiction will most likely revolve around their meeting, how they get along, and what adventures or challenges they face together. It could explore their personalities, with Cayde being more of a risk - taker and Ace perhaps being more cautious or methodical at first, and how they influence each other as the story progresses.
Perhaps Cayde and Ace meet in a rather unexpected place within the Destiny realm. Cayde, being the character he is, could start off by cracking some jokes, which Ace might initially find a bit strange. But as they get to know each other, they discover that they have a common goal. This could lead to them working together to uncover a long - lost secret in the Destiny universe. It could involve delving into ancient ruins, deciphering cryptic codes, and fending off any threats that come their way during the process.