Fitness
Starfield skill

physical
In space, the greatest commodity is oxygen, and the increased lung capacity gained by a regular physical fitness regimen is essential to survival.

Ranks

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Rank 1
You have 10% more oxygen available.
Challenge: Use up all available Oxygen 20 times.
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Rank 2
You have 20% more oxygen available.
Challenge: Use up all available Oxygen 50 times.
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Rank 3
You have 30% more oxygen available.
Challenge: Use up all available Oxygen 100 times.
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Rank 4
Sprinting and power attacks now use significantly less oxygen.

Backgrounds that have Fitness skill

Fitness Character Builds