I was annoyed when I found out about it, because I'm one for opening every chest (or things alike) for potentially rare/useful items. My policy has been well-justified, but this just... urgh. Real kick in the balls. Low-blow Enix... low-blow.
Fortunately, I've recently started again and managed to ignore the specific chests. I'm almost excited.

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Jess: She'd cry if she had to drive here. And crash.
The very existence of flamethrowers proves that some time, somewhere, someone said to themselves: “You know, I want to set those people over there on fire, but I’m just not close enough to get the job done.”
- George Carlin