Demon Tide

Demon Tide is a Heartless that appears in Twilight Town in Kingdom Hearts III.

Demon Tides are formed from groups of Shadows.

Kingdom Hearts III
Shortly after arriving in Twilight Town in search of Roxas, Sora, Donald, and Goofy are surprised by the appearance of Hayner, Pence, and then Olette, who rush past them through the streets to get away from a massive Demon Tide chasing at their heels. Sora, Donald, and Goofy jump to defeat the Heartless.