『PHANTASY STAR ONLINE 2』公式サイト
http://pso2.jp
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Always start with bronze mode. While the first three waves always contains a bronze/silver/gold (not always in that order) it isn't always safe and i rather lose 13 coins than 26+ coins. Ended where I did as Silver bronze bronze with 0 pse is worse than gold silver bronze with 0 pse.