I mean to be completely honest you probably don't have even 5-10 low copies of a guardian, let alone 33. If you do (at this point in the game) you're probably already whaling, in which case you might as well do it anyways because you can always spend more.



The main thing about keeping dupes is that there could feasibly be a use for dupes, such as that in Puzzle and Dragons (a different gacha game) where you can sell premium/gacha-only characters for a ton of "MP" which can then be used to purchase other high-value items/cards.



Obviously, this is probably not going to be true, but seeing that as it is now the game already seems only barely finished, you might as well wait unless you're 100% planning on using that B/A/whatever often.

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