Source

Riot has spared no time announcing the next champion that will grace the halls of many, and that is Draven, the Glorious Executioner. This champ also happens to be the brother of the last champion to come out, Darius. I wonder if he will follow the recent trend of one skin per new champ that Riot seems to have done the past couple times?

This is what they have to say about Draven from the page linked above:

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There’s a saying in the entertainment business: “The show must go on!” When your particular niche in the world of show business is brutal, gladiatorial combat, however, this expression comes with its own set of limitations. Take Darius’ brother Draven, the Glorious Executioner. While he might be the consummate entertainer, this vicious champion of the arena is most famous for knowing exactly how it is that the proverbial show comes to an end – usually in some grandiose, blood-soaked fashion.

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So not a lot to worth with, but being that he is related to Darius, and both are Gladiators, we can probably assume that he will be another heavy hitter, which is also sort of a given by the dual weapons he uses. But what do I know? For all we know is a support mage and those blades are his magical winds of sharpness. I know, the joke was lame but whatever. The gist is that summoners we will get a new champion again soon that the people can cry about his OPness that others just don't see.