Scavengers

The folks who live in the forgotten places of The Undercity, who eke a living from the places untouched by Swarm and surface, are scavengers. Their lives are meagre and dirty, but they've built a strong community among themselves.

Hidden Treasures

Languages. You can speak, read, write, and understand Common and one other language of your choice.
Hale and Hearty. You're accustomed to foods and conditions that would make others ill. You have resistance to poison damage, and advantage on saving throws against disease and the poisoned condition.
Finder's Keeper's. Your whole life revolves around things others have discarded. You know the mending cantrip. Additionally, as part of a short rest, you can scavenge non- or once-living material from the immediate environment to create a small trinket or art piece, a simple melee weapon, or ammunition for a simple ranged weapon.