How can I get to the chests?

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In A Wizard's Lizard, there's the occasional room per dungeon with a special chest made unavailable by blocking rocks. Here's one from the second stage, but I've seen a golden one early on regularly.
How should I be able to get those chests? Is flying an option in this game? Bombs, maybe?
What are my (maybe item-related) possibilities here?
Edit: Here's a screenshot of the first-stage-chest http://i.imgur.com/jvK3O61.png
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How do I get to the chest room?
To get to the chest you must beat Isaac in the Cathedral 5 times unlocking the Polaroid. After you kill mom she will drop the polaroid, and you must then get to the Cathedral, beat Isaac and go to the chest, which will take you to the chest. On the first room of the chest will be 4 golden chests.Where do you find chests in Royale high?
Dark Room: Killing Satan in Sheol 6 times will cause The Negative passive item to be unlocked. This item will always drop after the Mom fight once unlocked. To access The Dark Room, you need to beat Satan and touch the chest while The Negative is equipped.EASY GUIDE ALL 21 Chest Locations In Royale High
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