Origin:

- Children of the Forest were locked in a war with the First Men
- They attempted to create a powerful new weapon against the humans;
- Bound a captive man & pressed a cursed shard of dragonglass into his heart
- He was transformed into a cold, heartless, deathless creature, Night King
- Soon the Children saw that their creation had grown beyond their control;
- They forged an alliance with the First Men & defeated them
- White Walkers returned to the far north, where they vanished

Description:

Ancient race of ice creatures that came from the far north of Westeros

Highlights:

- Faded into legend over the centuries
- After remaining hidden for thousands of years, they attacked Westeros
- Their ultimate goal was the end of every living thing in existence,
- When the Night King was killed, all White Walkers died with him

Physiology:

- Long wispy white hair
- Vibrant deep blue eyes
- Grey-white mummified skin

Abilities:

- Strong affinity with ice magic & coldness
- Enhanced strength
- Reanimate the dead as their servants, known as wights

Fatal Weaknesses:

- Dragonglass
- Valyrian steel