One common theme is adventure. Since Killua is from the Hunter x Hunter universe which is full of dangerous quests and exploration, many 'killua zoldyck x oc fanfiction' stories involve the OC joining him on these adventures. Another theme is friendship evolving into love. The OC and Killua start as friends or allies and then their relationship deepens over time.
A common theme in 'killua zoldyck x oc fanfiction' is power and its consequences. The OC may have a unique power, or they may be affected by Killua's power. This can lead to situations where they have to learn to control it or face the negative impacts. Another theme is the clash of different worlds. The OC may come from a very different background than Killua, and the fanfiction explores how they bridge that gap, whether it's cultural, moral or just in terms of their upbringing.
Well, self - discovery is often a theme. The OC may be on a journey to find out more about themselves, and Killua, with his complex background and personality, helps in that process. Also, family and loyalty play a role. Killua's family is a big part of his identity, and the OC may have to navigate that aspect. In some fanfictions, the theme of redemption can be seen, where the OC or Killua might be trying to make up for past mistakes while being together.
One common theme is friendship. The SI OC often forms a deep bond with Killua, and they go through various adventures together, relying on each other. Another theme could be self - discovery. As the OC is in a new world with Killua, they learn more about themselves.
One common theme is adventure. Since Killua is from the Hunter x Hunter world which is full of dangerous quests and exploration, many fanfictions involve the reader joining him on his adventures. For example, they might go on a journey to find a rare treasure or explore a mysterious and dangerous place.
Well, a very frequent theme is the exploration of power dynamics. Given Illumi's powerful and somewhat intimidating nature, the fanfictions often look at how the OC fits into that power structure. It could be that the OC is weak at first and has to grow to be on par with Illumi, or the OC might have a unique power that changes the balance. Also, love and redemption are common themes. The OC might bring out a sense of redemption in Illumi, or they might fall in love in a rather complex and interesting way considering Illumi's character.
One common theme is self - discovery. The OC often discovers new things about themselves while being with Killua. Another theme is friendship evolving into something more. For example, they start as friends or allies and then gradually develop romantic feelings. Also, there's the theme of overcoming differences. Since the OC is not from the original story, they usually have different values or abilities than Killua, and they have to overcome these differences to be together.
Family drama is another big theme. The Zoldyck family has a complex family structure and a lot of internal politics. OCs in these fanfictions usually get caught up in this web of family drama, like dealing with rivalries between family members or trying to gain the approval of the family elders. A good example is a fanfiction where an OC has to navigate the feud between two Zoldyck siblings.
One popular 'killua zoldyck x oc fanfiction' is 'A Hunter's Bond'. It focuses on the relationship between Killua and an original character. The story develops their bond through various adventures in the Hunter x Hunter world. Another one is 'Killua's New Companion' which shows how the OC impacts Killua's growth and decisions.
Adventure is also a popular theme. They go on quests together, facing powerful enemies and exploring new places. This allows for a lot of action and character development.
Adventure is also very common. The OC usually gets involved in Killua's dangerous and exciting world of being a Hunter. They might be on a mission to find a rare item or defeat a powerful enemy. And there's often a theme of trust - building. Killua has to learn to trust the OC and vice versa.
The theme of loyalty is quite prevalent too. The OC and Killua form a bond where they are loyal to each other. Also, the idea of power and how to control it or use it for good often comes up. As they face various challenges, they have to figure out how to use their powers effectively and not let it corrupt them, all while their relationship grows and changes.
Friendship is a very common theme. Since Gon and Killua have such a strong bond in the original work, fanfictions often explore different aspects of their friendship, like loyalty and mutual understanding.