Rocket Rider [Spelljammer]

Being in space away from your ship allows you to think clearer than your allies, and your ability to maneuver isn't hindered by the pesky lack of gravity.

• Increase your Constitution score by 1, to a maximum of 20.
• You roll with advantage on ability checks and saving throws when in zero gravity.
• Your air envelope lasts twice as long in zero gravity. This does not include when on a ship or planet.
• You can go without food and water for twice as long.
• When in an environment of extreme heat or extreme cold, you have advantage on constitution saving throws made to avoid exhaustion.