Svirfneblin

Deep gnomes, called svirfneblin (pronounced: /svɪrfˈnɛblɪn/ svirf-NEB-lin[9][10]) in their own language, were a gnome subrace that lived in the Underdark. While their surface cousins were known for their boundless optimism and cheerful mischief, the svirfneblin were serious and suspicious creatures. They survived in the Underdark by maintaining wariness of others and working hard to keep their underground society secret.[7]

Ability Score Increase Dex+1

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Superior Darkvision

Your darkvision has a radius of 120 feet.

Gnome Cunning

You have advantage on all Intelligence, Wisdom, and Charisma saving throws against magic.

Stone Camouflage

You have advantage on Dexterity (stealth) checks to hide in rocky terrain.