Your Dexterity score increases by 2, and your Wisdom score increases by 1.

Argonians mature slightly faster than humans and have a comparable lifespan. They typically live to be around 70 years old.

Argonians have a strong connection to their homeland, Black Marsh, and its unique culture. As such, they tend to be more inclined towards neutrality and adaptability. They value their community and the harmony of the natural world.

Argonians typically stand between 5 and 6 feet tall and have a lean, agile build. Your size is Medium.

Your base walking speed is 30 feet.

You have proficiency in the Nature skill. You also have advantage on Stealth checks made in swampy or wetland environments.

You have a natural talent for guerrilla warfare. You gain proficiency in the Stealth skill. Additionally, when you make an attack against a creature that is surprised, you can add your Wisdom modifier to the attack's damage.

Argonians have developed immunities to diseases due to their harsh homeland. You have advantage on saving throws against diseases and poisons.

Argonians have a deep spiritual connection to the Hist trees in Black Marsh. As a bonus action, you can call upon the Hist's blessings to gain temporary hit points equal to your Wisdom modifier. Once you use this ability, you can't use it again until you finish a short or long rest.

You can breathe underwater as easily as you breathe air, thanks to your gills. You can also move through water without impediment, and you have a swimming speed of 30 feet.

You can speak, read, and write Common and Argonian. Argonian is a unique language spoken in Black Marsh, characterized by hisses and clicks, often incomprehensible to outsiders.

Naga-Kur
Naga-Kur are the most common Argonian subrace, known for their agility and adaptability.
Ability Score Increase. Your Dexterity score increases by 1.
Born Swimmers. You gain proficiency in the Athletics skill.
Nimble Escape. You can take the Disengage or Hide action as a bonus action on each of your turns.

Po-Tun
Po-Tun Argonians are known for their physical prowess and strength.
Ability Score Increase. Your Strength score increases by 1.
Marsh Protector. You gain proficiency in the Animal Handling skill.
Strong Build. You are considered one size larger when determining your carrying capacity and the weight you can push, drag, or lift.

Naga-Kesh
Naga-Kesh Argonians are particularly attuned to magic and are often called upon as shamans and spellcasters.
Ability Score Increase. Your Intelligence score increases by 1.
Mystical Adept. You have proficiency in the Arcana skill.
Argonian Magic. You know the Shape Water cantrip. Once you reach 3rd level, you can cast the Entangle spell once per day as a 2nd-level spell. Once you reach 5th level, you can also cast the Water Walk spell once per day. Intelligence is your spellcasting ability for these spells.