

6 = { # Tier 6
	previously_unlocked = 6
}

7 = { # Tier 7
	previously_unlocked = 4
}

8 = { # Tier 8
	previously_unlocked = 3
}

9 = { # Tier 9
	previously_unlocked = 2
}

10 = { # Tier 10
	previously_unlocked = 2
}