Chip learns his name which is Light Gaia. He helps sonic beat dark Gaia, they win(of course) and chip and sonic go separate ways
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Chip gets sealed within the Earth along with Dark Gaia, and it is assumed that he goes back to sleep until it is time to return the Earth to normal after Dark Gaia's next awakening. His necklace is the only tangible remnant left of him that Sonic was seen wearing on his wrist at the end of the game.
Oh, don't you worry, my friend. Chip doesn't die in Sonic Unleashed. He's a helpful little creature who goes on adventures with Sonic, spreading positivity and lending a helping hand along the way. Just like a happy little tree in a painting, Chip is there to brighten up the journey and make sure everything turns out just fine.
Both teams, hero and dark, stop fighting and go home after sonic and shadow defeat the prototype and shadow dies.
no.
I think silver kills sonic:))