Invincible Vol 1 79 002

Mark Grayson can hold his breath for up to two weeks.

An Enhanced Lung Capacity is the ability for a character to hold their breath for an extraordinary period of time. This isn't to be confused with with a form of Self-Sustenance where the character would not need to breath at all. It is also not to be confused with Interstellar Travel where a character may travel through space unaided. Just because a character has Enhanced Lungs, does not mean they can travel through space unaided.

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