The first two I'm pretty sure are just coins meant to be NPCed for some credits.
I have no idea what the third one is. How did you even get it?
The third one summons a boss that attacks once. It comes from the training dungeons.
This is what I heard, but I haven't tried it myself.
KR (retired)
Playing the Taiwanese (TW) version, and casually playing the NA version.
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