30级护心镜=20级镜子*2=10级镜子*4

　　40级护心镜=30级镜子*2=20级镜子*4=10级镜子*8

　　50级护心镜=40级镜子*2=30级镜子*4=20级镜子*8=10级镜子*16

　　60级护心镜=50级镜子*2=40级镜子*4=30级镜子*8=20级镜子*16=10级镜子*32

　　70级护心镜=60级镜子*2=50级护心镜*4=40级镜子*8=30级镜子*16=20级镜子*32=10级镜子*64

　　80级护心镜=70级镜子*2=60级护心镜*4=50级护心镜*8=40级镜子*16=30级镜子*32=20级镜子*64=10级镜子*128

　　90级护心镜=80级镜子*2=70级护心镜*4=60级护心镜*8=50级护心镜*16=40级镜子*32=30级镜子*64=20级镜子*128=10级镜子*256

　　100级护心镜=90级护心镜*2=80级镜子*4=70级护心镜*8=60级护心镜*16=50级护心镜*32=40级镜子*64=30级镜子*128=20级镜子*256=10级镜子*512