local hero_level = {
	[1]={
		["cost_2"]={
			3,
			0
		},
		["unlock_skill"]=1
	},
	[2]={
		["cost_2"]={
			5,
			50
		},
		["unlock_skill"]=1
	},
	[3]={
		["cost_2"]={
			10,
			100
		},
		["cost_3"]={
			3,
			0
		},
		["unlock_skill"]=2
	},
	[4]={
		["cost_2"]={
			25,
			200
		},
		["cost_3"]={
			5,
			300
		},
		["unlock_skill"]=2
	},
	[5]={
		["cost_2"]={
			50,
			1000
		},
		["cost_3"]={
			10,
			1500
		},
		["cost_4"]={
			3,
			0
		},
		["unlock_skill"]=3
	},
	[6]={
		["cost_2"]={
			100,
			5000
		},
		["cost_3"]={
			25,
			7000
		},
		["cost_4"]={
			5,
			10000
		},
		["unlock_skill"]=3
	},
	[7]={
		["cost_2"]={
			250,
			10000
		},
		["cost_3"]={
			50,
			15000
		},
		["cost_4"]={
			10,
			20000
		},
		["unlock_skill"]=4
	},
	[8]={
		["cost_2"]={
			500,
			15000
		},
		["cost_3"]={
			100,
			24000
		},
		["cost_4"]={
			20,
			30000
		},
		["unlock_skill"]=4
	},
	[9]={
		["cost_2"]={
			1000,
			20000
		},
		["cost_3"]={
			250,
			30000
		},
		["cost_4"]={
			25,
			40000
		},
		["unlock_skill"]=5
	},
	[10]={
		["cost_2"]={
			1500,
			30000
		},
		["cost_3"]={
			500,
			45000
		},
		["cost_4"]={
			50,
			60000
		},
		["unlock_skill"]=5
	},
	[11]={
		["cost_2"]={
			2000,
			40000
		},
		["cost_3"]={
			1000,
			60000
		},
		["cost_4"]={
			100,
			80000
		},
		["unlock_skill"]=5
	},
	[12]={
		["cost_2"]={
			2500,
			50000
		},
		["cost_3"]={
			1500,
			75000
		},
		["cost_4"]={
			150,
			100000
		},
		["unlock_skill"]=6
	},
	[13]={
		["cost_2"]={
			3000,
			75000
		},
		["cost_3"]={
			2000,
			110000
		},
		["cost_4"]={
			200,
			150000
		},
		["unlock_skill"]=6
	},
	[14]={
		["cost_2"]={
			3500,
			100000
		},
		["cost_3"]={
			2500,
			150000
		},
		["cost_4"]={
			300,
			200000
		},
		["unlock_skill"]=6
	},
	[15]={
		["cost_2"]={
			4000,
			150000
		},
		["cost_3"]={
			3000,
			240000
		},
		["cost_4"]={
			400,
			300000
		},
		["unlock_skill"]=7
	}
}
local config = {
data=hero_level,count=15
}
return config