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Continue ShoppingIn ARC Raiders, Youthful Lungs is a Tier 1 passive skill located in the Mobility branch of the skill tree. It is widely considered an "elite" or "must-have" skill for players focusing on movement and survival.

| Name | Youthful Lungs |
|---|---|
| Description | Increase your max stamina. |
| Skill Affected | Max Stamina |
| Known Value(s) | Increases stamina by ~24%, this effectively allows you to sprint an extra ~5 seconds for a total of ~25 seconds if combined with a 5/5 Marathon Runner |
| Max Points | 5 |
| Requires | Marathon Runner |
In Arc Raiders, Youthful Lungs increases your maximum stamina pool, while Marathon Runner reduces the amount of stamina consumed when moving. Both skills are highly recommended and work in tandem to improve your overall mobility and survival chances.
| Perk Name | Effect | Max Bonus | Notes |
|---|---|---|---|
| Marathon Runner | Moving around costs less stamina. | 20% lower sprint stamina usage. | This essentially extends the duration you can sprint by making each movement less taxing on your stamina bar. |
| Youthful Lungs | Increases your max stamina. | 25% higher max stamina. | A larger stamina pool allows for more total movement, including a greater number of dodge rolls or a longer continuous sprint. |
Marathon Runner focuses on efficiency of stamina use, making your existing stamina go further.
Youthful Lungs focuses on capacity, providing a larger total stamina bar to work with.
Most players and guides recommend acquiring both skills, often maxing them out, as they are essential for effective stamina management in the game. Combining them allows you to sprint significantly longer (around 45% longer overall, according to leprestore.com) and gives you more freedom to escape danger, reposition in combat, or reach extraction points more quickly.
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