Enhancement 1 - Common Locked Magic Fire Damage Magic Fire Damage +10% Upgrade cost at item level 1 46 Runes
Enhancement 2 - Uncommon Locked Critical Strike Damage Critical Strike Damage +20% Upgrade cost at item level 2 53 Runes
Enhancement 3 - Rare Locked Magic Fire Damage Magic Fire Damage +10% Upgrade cost at item level 3 65 Runes
Enhancement 4 - Epic Locked Critical Strike Damage Critical Strike Damage +20% Upgrade cost at item level 4 73 Runes
Enhancement 5 - Legendary Locked Critical Strike Damage Critical Strike Damage +20% Upgrade cost at item level 5 81 Runes