Board Thread:General Discussion/@comment-35065776-20180518143624/@comment-32823535-20180519000201

Actually, it's 20 times to go up a level to Detective. Novice 5 times to level up, 5 Natural Crystal per game (=25) Amateur 8 times, 10 Natural Crystal (=80) Connoisseur 12 times, 15 Natural Crystal (=180) Sleuth 20 times, 20 Natural Crystal (=400) Detective 100 times, 25 Natural Crystal (=2500) Virtuoso I think is 200 times, 30 Natural Crystal