From Pathfinder Lost Omens World Guide, which isn't enabled.

Lastwall Survivor

BACKGROUND

Attribute Boosts Constitution or Wisdom, free

Skills Medicine, Undead Lore

Prerequisite Region - Eye of Dread

You managed to escape the devastation that the Whispering Tyrant brought to your nation, but you lost everything to the lich-king's minions, including your home and many friends and family.

Choose two attribute boosts. One must be to Constitution or Wisdom, and one is a free attribute boost.

You're trained in the Medicine skill and the Undead Lore skill. You gain the Battle Medicine skill feat.

Pathfinder Lost Omens World GuideOGL