Being a Kobold more connected to earth you have the ability to shift the earth as you need to and you do not have a speed reduction for difficult terrain as long as you are walking across stone or dirt. 

You can cast Mold Earth at will.

At 3rd level learn Earthen Claw that can be cast a number of times equal to half your level rounded down without using a spell slot. Use wisdom as your spellcasting modifier for attacks and saves.

As a reaction; your scales vibrate and ferrous metals push away from you 5ft at the beginning of each turn. A creature standing adjacent to you that is wearing iron or steel armor is pushed 5 ft away from you if they fail a strength saving throw versus your wisdom spell save DC. objects pushed this way use your wisdom score to determine your push weight maximum.

Also you gain Resistance to slashing, bludgeoning, and piercing damage done by iron or steel weapons a number of minutes equal to your wisdom modifier to a minimum of one minute. The ability to do so again resets on a short or Long rest.

When falling from a great height onto stone or dirt you do not instantly die unless the damage would do 4x your max HP.

Your Dexterity score increases by 2, and your Strength score is reduced by 2.

Kobolds reach adulthood at age 6 and can live up to 120 years but rarely do so.

Kobolds are fundamentally selfish, making them evil, but their reliance on the strength of their group makes them trend toward law.

Kobolds are between 2 and 3 feet tall and weigh between 25 and 35 pounds. Your size is Small.

Your base walking speed is 30 feet.

You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You can’t discern color in darkness, only shades of gray.

You have disadvantage on attack rolls and on Wisdom (Perception) checks that rely on sight when you, the target of your attack, or whatever you are trying to perceive is in direct sunlight.

You can speak, read, and write Common and Draconic.