Goliath

These Giant Kin come from all walks of the Planes

Hill Giant:

 * Iron Stomach: You have advantage on saving throws against the poisoned condition, and you have resistance against poison damage
 * Underestimated. You are proficient in the Deception and Intimdation Skills

Fire Giant

 * Fire Forged: Being naturally adapted to extreme heat, you have resistance to fire damage.
 * War Born: You have proficiency in light armor and medium armor. If you would gain proficiency in medium armor, you may instead gain proficiency in heavy armor. In addition you are proficient in smiths tools.

Cloud Giant

 * Keen Nose: You have advantage on Wisdom (Perception) checks that rely on smell, and you can attempt to smell out hidden creatures rather than using your other senses.
 * Cloudblood Magic. You know the light cantrip. When you reach 3rd level, you can cast the fog cloud spell once and need to finish a long rest before you can cast it again. When you reach 5th level, you can also cast the misty step spell once and need to finish a long rest before you can cast it again. Charisma is your spellcasting ability for these spells.

Frost Giant

 * Heart of Ice: Being naturally adapt to extreme cold, you are resistant to cold damage.
 * Stiff Skin: You gain a +1 bonus to Armor Class.

Storm Giant:

 * Storm's Calling: You have resistance to lightning and thunder damage. you also learn the shocking grasp or thunderclap cantrip. Wisdom is your spellcasting ability for these spells
 * Amphibious: You can breathe both air and water.

Void Giant:

 * Voids Curse: You have REsitance to Void Damage and Force but have Vulnerability to Radiant
 * Superior Darkvision:. You can see in dim light within 120 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.

Mountain Giant:

 * Mountain Born :You have resistance to cold damage. You're also acclimated to high altitude, including elevations above 20,000 feet.
 * Rocky Blending: You have advantage on Dexterity (Stealth) checks to hide while in rocky, uneven terrain, such as the interior of a cavern or the side of a cliff. This ability does not allow you to hide in areas of manufactured stone, such as castles, unless they are in a state of extreme disrepair.