Grenn

Grenn is a ranger of the Night’s Watch, a friend to Jon Snow, Sam, and Pyp. He rises to become one of the best fighters at Castle Black.

Robb Stark

Robb Stark is the eldest son of Eddard and Catelyn Stark. He becomes the King when war erupts but gets defeated after a crushing betrayal.

Oberyn Martell is the younger brother of Doran Martell, the Prince of Dorne. He is a beloved Prince in Sunspear and a master of deadly poisons.

House Frey is a noble house in Westeros. With its seat of power at the Twins, it becomes crucial in Robb Stark’s cause against the Lannisters.

Meera Reed is a member of House Reed and is the daughter of Howland Reed. She is Jojen Reed’s older sister.

Valyrian steel is steel from the Valyrian Freehold. Because of the use of magic in its forging process, it got used for making many tools.

The Fist of the First Men is a hill in the Haunted Forest beyond the Wall. It was crucial to the Night’s Watch during the Great Ranging.

An Arakh is a traditional fighting weapon used by the Dothraki in Essos. As a half sword and half scythe, it gets used by riders on horseback.

Pypar, popularly called Pyp, is a brother of the Night’s Watch who comes into the order with Jon Snow, Samwell Tarly, and Grenn.

Astapor is an ancient independent city-state known for slavery. The Red City was founded before the Valyrian Freehold and outlived two empires.