Ice Kingdom

The Ice Kingdom, home of the IceWings, a tribe ruled by Queen Glacier, makes up the "head" or the far northern peninsula of Pyrrhia.The kingdom is composed primarily of mountains, glaciers, and floating ice on the surface of water, with extremely cold temperatures that often reach subzero. The weather is complementary to the IceWings' abilities and traits, however, and so they can thrive in its hostile conditions without any trouble.

Description
Queen Glacier's palace is at the far north on the peninsula. It is said to be made partially (or perhaps even entirely) of ice. The palace is described to be consistent of such a low temperature that no dragon else other than an IceWing would be able to survive.
Blaze's fortress is near the edge of the Ice Kingdom, for the reason that SandWings aren't comfortable in climates with subzero temperatures.
If Blaze had won the war, for the IceWings were allied with her, the Ice Kingdom would of been expanded to include the rocky land bordering the Kingdom of Sand. There is very little there, but Deathbringer pointed out that there may be valuable treasure buried beneath the rocks.
It is also extremely cold in the Ice Kingdom.
History
In the The Hidden Kingdom, Glory and Jambu went to the Ice Kingdom to go and find Blaze. They tested her if she was worthy of the next ruler of the SandWings. Deathbringer was hiding near the border, possibly indicating that he lived in the Ice Kingdom while waiting for Blaze and the dragonets. Then, he attempted to kill her with his disks.
Gallery
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Ice Kingdom, map by Mike Schley