How would Anko's influence change Harry's story in a 'Harry Potter raised by Anko' fanfiction?

Well, in such a fanfiction, Harry might grow up with Anko's unique ninja skills and values. He could be more stealthy and perhaps have a different approach to magic, combining it with ninja - like tactics.

His personality would likely be more cold and calculating. He'd be used to getting his way through underhanded means taught by the villains.

He'd be more adaptable. Quarians live in a different way than wizards, so Harry would learn to be flexible in new situations.

He would likely be more confident in his physical abilities. Yoruichi is a very capable fighter, and if she raised Harry, he would be trained in combat. So he might not be as hesitant in dangerous situations as the original Harry. He could be more likely to take risks and trust in his own strength.

Well, one possibility could be that they bring together their two very different magical worlds. Harry could introduce Anko to the wizarding world of Hogwarts, and Anko could share her ninja skills. Maybe they'd fight against new villains that threaten both their worlds. It would be an interesting mix of magic and ninjutsu.

Kreacher is a very traditional character. His influence on Harry could mean that Harry is more into the old magic. He might be taught spells and incantations that are not commonly known in modern wizarding society. Also, Kreacher's loyalty to the Black family could make Harry more protective of the remaining members of the family and their heritage.

The story would be unrecognizable. His character would be different, and so would his relationships.

Harry's personality would be a lot more complex. Instead of the somewhat naive and overly - trusting Harry we know, he would be more calculating. Loki's influence would make him question people's motives more. He would also be more confident in his abilities, not just relying on his friends all the time. He might have a darker sense of humor too, given Loki's nature. And his sense of loyalty could be more conditional, depending on what he could gain from a relationship.

He would be more cunning. Maleficent is a master of manipulation, and Harry would likely pick up on those skills. He might be less naive compared to the original Harry.

He'd be more reserved. Vergil isn't exactly a talkative and outgoing person. Harry would likely follow suit, keeping his thoughts and feelings to himself more often.