Season 3 Province 12 is called Jotunheim Heights on the map. It has 10 stages; normal difficulty requires 7 world energy, hard difficulty 11.
Ice Draugrs are in stages 4 and 9, while stages 5, 6, 8 and 10 are special stages for enemies with the Jotunheim realm bonus. Stage 10 at the same time features a Unique Boss against Ymir, King of the Ice Giants.