| Cool gem | |||||||||||||||||||||||||||||
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| Japanese | クールジェム | ||||||||||||||||||||||||||||
| Romaji | Kuuru jemu | ||||||||||||||||||||||||||||
| English | Cool gem | ||||||||||||||||||||||||||||
| Item Description | |||||||||||||||||||||||||||||
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Cool gems are items used for training cool cards and unlocking cool card side stories. To train a 3☆ card, 100 cool gems are needed. To train a 4☆ card, 200 cool gems are needed. To unlock the second side story of a 3☆ card, 600 cool gems are needed. To unlock the second side story of a 4☆ card, 1200 cool gems are needed.