The shadow creature is conceived as a child between Stannis Baratheon and the Red Witch Melisandre to assassinate Renly Baratheon in a bid to reclaim the Iron Throne.

When Tyrion discovers Cersei's incestuous relationship with their cousin Lancel Lannister, he blackmails Lancel into spying on Cersei.

Xaro invokes the ancient custom of Sumai to allow Daenerys and her people to be admitted under his protection, but he betrays her and steals her dragons.

Alton Lannister is a captive of the Northern armies alongside his cousin Jaime, who murders him in an unsuccessful bid to escape.

Because she saved three prisoners from a burning wagon, thus taking three lives from the Red God, Jaqen informs Arya that she must name three people for him to kill in order to repay the debt.

Wildfire is a flammable liquid created and controlled by the Alchemists' Guild, an ancient society of learned men based in the city of King's Landing. Tyrion has eight thousand jars of wildfire loaded onto a single ship that is sent to meet the invading fleet. When Bronn ignites the ship with a flaming arrow, it detonates in a massive explosion that pulverizes most of Stannis' ships.

After Theon seizes the castle, Osha helps Bran, Rickon, and Hodor escape, then doubles back and hides in the crypts of Winterfell.

When Catelyn decides to exchange Jaime for her two daughters, who she believes are being held hostage by the Lannisters, she orders Brienne to smuggle Jaime from the camp and deliver him to King's Landing.

After a brief stint accompanying Arya and Gendry, Hot Pie gives up the fugitive's life to become a baker's apprentice for the Inn at the Crossroads.

Trying to protect Gilly and her son, Sam stabs a White Walker with his Dragonglass dagger. The Walker howls in pain as its whole body begins to freeze from the point at which he was stabbed. It falls to its knees and shatters, leaving nothing behind but white dust and the dagger.