Aquatic

You are totally adapted to underwater life.

Your people somehow escape the seas of your home world and spread themselves out among the stars. You bring with you an understanding of 3-dimensional maneuvering and fighting that most other creatures lack.

Ability Score Increase. Both your Constitution and Dexterity scores increase by 1.

360 Vision. You are keenly aware of your surroundings, either through well-placed eyes or echolocation. You cannot be surprised in combat unless the attacker is invisible, and attackers do not gain advantage from flanking you.

Age. Your species ages slightly slower than humans do, reaching maturity around 20 solar years and living to be 100-120 at the oldest.

Darkvision. 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.

Endure the Cold. You have resistance to cold damage, due to your species’ natural habitat of the ocean.

Pilot’s Mind. You think in a more 3-dimensional way than many species, granting you advantage on all rolls for tool use with flying vehicles.

Prefers the Damp. You suffer disadvantage on tool use skill checks when you are not in wet or humid environments. If you have a starship, you likely keep the ship or at least the cockpit set to these conditions.

Size. You are the shape of a typical humanoid, making you Medium size.

Speed. Your base walking speed is 25 feet.

Water Mastery. You have a swimming speed of 30 feet. You breathe underwater as normal. You have advantage on swimming related Athletics rolls.