Blue Archive contains in-app purchases. Please check the pricing plan as below: Monthly Pyroxene Pack-$6.99 Monthly Pyroxene Half Pack-$2.99 2-Week AP Pack-$2.99 Monthly Pyroxene x6,600-$64.99 New Teacher Pyroxene Pack-$0.99 Monthly Pyroxene Pack-$6.99 Monthly Pyroxene Half Pack-$2.99 Pyroxene x4800-$64.99 HiddenRuins 3Start Select Pack-$18.99 Weekly Activity Report Pack-$11.99