A cool concept might be Ichigo having to adapt to an Asian - inspired magical realm that has its own set of rules and powers. This could lead to unique character development as he tries to figure out how to use his powers in this new environment.
You could also ask in fanfiction communities or forums dedicated to the Ichigo series. People there are often really passionate about fanfiction and can give you some great suggestions. They might know of some hidden gems that are not as well - known but are really well - written in terms of Ichigo - Asia crossovers.
One interesting character to crossover with Ichigo is Light Yagami from Death Note. The clash between Ichigo, who is a protector, and Light, who is a morally ambiguous character with the power to kill, would be very engaging. Saitama from One - Punch Man could also be a great choice. Saitama's overpowered nature and Ichigo's journey to become stronger would make for an interesting story. And what about Alucard from Hellsing? His vampire powers and Ichigo's powers related to the afterlife would create a really dark and exciting crossover.
Aizen Sousuke would be an interesting crossover character. Since he's so powerful and manipulative in the Bleach universe, seeing him in a different setting with Ichigo could create some really complex and intense storylines. They could be forced to work together against an even greater evil in a crossover universe.
Ichigo could meet Frodo Baggins. Frodo, being from a very different kind of world, would find Ichigo's situation strange. But they could bond over their shared sense of being out of place in some ways. Frodo could teach Ichigo about the importance of perseverance in the face of great odds, and Ichigo could protect Frodo from any potential threats in this crossover world with his swordsmanship.
One idea could be that Ichigo and Naruto are brought together by some sort of interdimensional rift. They initially don't understand each other's powers but soon realize they share a common goal of protecting their friends and worlds. They could team up to fight a powerful enemy that threatens both their universes.
One great Naruto Asia Crossover DxD fanfiction is 'Naruto in the DxD World'. In this story, Naruto's unique skills and his never - give - up attitude really shake things up in the DxD universe. His ninjutsu abilities add a whole new dimension to the battles and political intrigue in the DxD world. Another interesting one is 'DxD with a Naruto Twist' which combines the mythologies of both Naruto and DxD in a really cool way, like how Naruto's tailed - beast power interacts with the Devils and Angels in DxD.
The 'godlike ichigo rwby crossover fanfiction' might explore different themes. It could be about Ichigo bringing his sense of justice from his own world to RWBY. Since Ichigo is often in battles against powerful foes in his original story, he might inspire the RWBY characters to face their challenges in a different way. Also, the fanfiction could focus on how Ichigo adapts to the RWBY world, with its own set of rules and cultures.
A possible plot could be that a powerful artifact in the Rosario Vampire world is being targeted by both Hollows and some rogue vampires. Ichigo and Tsukune find themselves on a quest to protect it. Along the way, they encounter various challenges and meet different characters from both universes. The cultural shock between Ichigo's world of Soul Reapers and Tsukune's world of monsters and humans could also add some comedic and interesting elements to the story.
One possible ally could be a powerful mage from a different anime in the crossover. This mage could help Ichigo understand the strange magic or energy in the new world he is stuck in. Also, Uryu might be an ally. His Quincy abilities could complement Ichigo's powers in Mugetsu form as they face new threats together.