Their powers could combine in a really cool way. Naruto's ability to control chakra could be used to direct Black Adam's magic in a more precise way. For instance, if Black Adam were to shoot out a blast of magic, Naruto could use his chakra control to shape it into a more effective attack, like a concentrated beam.
Well, Black Adam's powers came from a combination of ancient magic and a specific ritual. This gave him extraordinary abilities like super strength and flight.
At first, the OC would likely be overwhelmed. Black Adam's powers are extremely potent. They might accidentally cause destruction while trying to figure out how to control their new strength. For instance, just a simple jump could send them flying into a building.
One possibility is that the OC could become a powerful force for justice in their own way. They might use Black Adam's powers to protect the innocent in a more brutal and unforgiving manner than traditional heroes. For example, if there's a group of villains terrorizing a city, the OC could quickly and decisively stop them without hesitation, but perhaps with a bit more aggression than Superman or Batman would use.
Black Adam is typically portrayed as having a morally ambiguous nature in the comics. While not purely evil, his actions and decisions often veer towards the darker side, causing conflict and chaos.