I really like the fanfiction 'Deathstroke's Unlikely Ally'. In this one, the OC is a tech - genius who manages to outwit Deathstroke at first but then they form an uneasy alliance. The plot twists keep you on your toes, and the OC's backstory adds depth to the whole narrative.
Well, one possibility could be that Naruto, influenced by Kurama's knowledge or some strange magic, starts to admire Deathstroke's combat skills. So he might try to incorporate some of Deathstroke's fighting tactics into his own ninja style. For example, Deathstroke is known for his precise and calculated strikes, which Naruto could adapt to his Rasengan attacks to make them more effective.
First, create a unique and believable OC. Give them a distinct personality, backstory, and motivation. For example, if your OC is a former assassin, explain what led them to that path. Second, understand Deathstroke's character. His skills, his code, and his relationships. Then, build a plot that brings your OC and Deathstroke together in an interesting way, like a common enemy or a shared goal.
Kurama might be the link that brings Naruto into Deathstroke's orbit. Since Kurama is such a powerful and unique entity in Naruto's world, his presence could be what makes Naruto aware of Deathstroke in the first place. For example, Kurama could sense some strange energy similar to Deathstroke's and draw Naruto's attention to it.
Nightwing would initially be defiant. He's a highly trained fighter and detective in his own right. So, he won't cower in front of the Joker. He'll probably try to size up the situation, looking for any weaknesses in his captivity and the Joker's plan.
To create a believable relationship, start with their fundamental differences. Robin is a hero, and Deathstroke is a villain. They could be initially at odds, constantly trying to outwit each other. But then, introduce some common ground, like a shared enemy or a mutual respect for each other's combat skills. This can slowly build a complex relationship.
Well, it could be about Naruto having some of Deathstroke's combat skills. Maybe he has a more ruthless side in battles like Deathstroke. He might use his ninja abilities in a different way, combined with Deathstroke - like tactics.
If Naruto is trained by Deathstroke in fanfiction, he would likely gain a whole new set of skills. Deathstroke is known for his proficiency in various weapons and hand - to - hand combat. Naruto could learn to be more efficient in close - quarters combat. Also, Deathstroke's strategic mind might help Naruto better understand his opponents' weaknesses, enabling him to come up with more effective battle plans.