I found these chests at the end of additional Dreamstone missions (ones that are not 1 huge boss battle) and I cannot just open them with ◯. They have some blue glow around them:

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How do I open them?

1 Answer

If they work the same as shown in this video, you need to destroy these shiny blue items scattered around the surroundings:

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There could be more than 1 such lanterns for each chest. Blue particles from the chest will show direction to them:

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