The black-haired boy with white tips name is Leonard and the other boy with him, black hair and smart military cut and a tattoo running up his neck to the left of his face, his name is Cameron.
They are both partners and are dating, just like me and Yale, though they are a little touchier with each other.
None of them can turn into weapons but they are still really good at using their abilities. So that is not a problem for them.
Leonard can manipulate the shadows around him to make a person do his bidding and contort anything with a shadow however he wishes.
As for Cameron, his ability is something like electric. Since it is a little difficult to use, most of the weapons he uses are conductors that amplify his ability. He can also mix his ability with his attacks, making them deadlier.
They are Group F.
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Now, let me explain about the groups and these abilities a bit.