Found in Rank 30 Frostheart Phoenix:
100,000 units
400,000 units
Rank 10 Frostheart Phoenix
Quantity: 30,000
Rank 20 Frostheart Phoenix
Quantity: 60,000
Rank 30 Frostheart Phoenix
Quantity: 100,000 400,000
Rank 40 Frostheart Phoenix
Quantity: 4,000,000