Earth Scepter

Rank	cost 	base
+10 	57 MP	16.0%
+11 	60 MP	17.1%
+12 	62 MP	18.2%
+13 	66 MP	19.3%
+14 	69 MP	20.4%
+15 	72 MP	21.5%
+16 	75 MP	22.6%
+17 	78 MP	23.7%
+18 	81 MP	24.8%
+19 	84 MP	25.9%
+20 	87 MP	27.0%