| Mysterious gem | |||||||||||||||||||||||||||||
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| Japanese | ミステリアスジェム | ||||||||||||||||||||||||||||
| Romaji | ? (edit) | ||||||||||||||||||||||||||||
| English | Mysterious gem | ||||||||||||||||||||||||||||
| Item Description | |||||||||||||||||||||||||||||
| ? (edit) | |||||||||||||||||||||||||||||
Mysterious gems are items used for training mysterious cards and unlocking mysterious card side stories. To train a 3☆ card, 100 mysterious gems are needed. To train a 4☆ card, 200 mysterious gems are needed. To unlock the second side story of a 3☆ card, 600 mysterious gems are needed. To unlock the second side story of a 4☆ card, 1200 mysterious gems are needed.