It's been a good while since we've heard or seen anything regarding these titles, but Tetsuya Nomura, who is directing both games, is determined to show what he can. While he was not given permission to show video, he brought a couple screenshots to the Monaco Anime Game International Conference (MAGIC) 2017.
The Kingdom Hearts III image shows Sora battling a new Heartless in the Olympus Coliseum using the Keyblade in "Power Form" in which it has transformed into a shield. It can also be turned into a chariot.
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