Well, there are several factors. First, character development. If the author can show the growth of the OC as they interact with the Boosted Gear, it's great. For instance, the OC starts as a novice but gradually becomes a master. Second, the world - building around the Boosted Gear. If the fanfiction expands on the existing world of the Boosted Gear in new and exciting ways, like introducing new races or powers related to it. And third, a good plot. A story with mystery, like the OC trying to uncover the true origin of the Boosted Gear, is always engaging.
A unique OC concept makes it interesting. For example, an OC with a special backstory related to the Boosted Gear, like being from a long - lost family that once had a connection to it. Also, exciting power - up scenarios. When the OC discovers new and unexpected ways to use the Boosted Gear's power, it keeps readers hooked.
A unique OC concept. If the original character has a distinct personality, backstory, or power set related to the Boosted Gear, it can make the fanfiction stand out. For example, an OC who has a different way of using the Boosted Gear's abilities compared to the main characters in the original series.
One great 'Oc Boosted Gear Fanfiction' is 'The Ascent of the New Gear User'. It has an interesting plot where the OC discovers unique powers of the Boosted Gear. Another is 'Oc in the Boosted Gear World', which focuses on how the OC adapts to the dangerous world filled with Devils and Angels. And 'A New Dawn for the Boosted Gear Oc' shows the OC's journey to become a powerful force in the Boosted Gear universe.
One interesting Naruto Boosted Gear fanfiction could be about Naruto obtaining the Boosted Gear and using its power to face new and stronger enemies in the Naruto universe. For example, he might use it to take on a powerful Akatsuki member in a unique way.
One idea could be a crossover with a magical girl anime. The Boosted Gear could gain new powers related to magic. For example, it could transform Issei into a magical knight with enhanced abilities. Another idea is a crossover with a post - apocalyptic world. Issei has to use the Boosted Gear to survive against new and terrifying threats. Maybe he teams up with survivors who have unique skills.
One interesting aspect could be how Naruto's existing powers interact with the boosted gear. Maybe it gives him a new level of speed and strength that he uses to defeat powerful enemies in a really unique way.
One idea could be Naruto obtaining the Boosted Gear and using its power to enhance his shadow clones. The clones could then have a unique power boost that gives them an edge in battles. Another could be Naruto using the Boosted Gear's abilities to travel between dimensions, leading to encounters with different versions of himself.
The most interesting part is the combination of two different and exciting concepts. Percy Jackson's world is full of Greek mythology and adventure, while Boosted Gear brings in a unique power - up system. When combined, it creates a whole new set of possibilities for the story.
In some 'Harry Potter Boosted Gear Fanfiction', there might be the idea of using Boosted Gear to unlock hidden magical abilities within characters. For example, Hermione could use it to access ancient and forgotten magics that she couldn't reach before. It could also lead to interesting plotlines where characters have to train with the Boosted Gear to master its powers in the context of the wizarding world.
You can start by looking on fanfiction websites like Fanfiction.net or Archive of Our Own. These platforms have a large collection of Highschool DxD fanfictions, including those with an OC (Original Character) and Boosted Gear elements. Just use their search functions and type in relevant keywords to narrow down your search.
One popular story could be 'Izuku's Ascent with the Boosted Gear'. It might focus on how Izuku discovers and masters the power of the Boosted Gear in a unique My Hero Academia - inspired universe. Another could be 'Izuku and the Boosted Gear: A New Alliance' where he forms new relationships while using this power.