Stamina is the ability to sustain prolonged physical or mental effort.
- Below Human Level: Can't withstand the basic Human efforts.
- Human Level: Can stand the usual efforts of a human.
- Athletic Human Level: Can withstand above the usual human efforts.
- Peak Human Level: Can last more than a 10 hour human effort.
- Super Human Level: Stamina can last a day of effort.
- Meta-Human Level: Can last more than week.
- Supernatural: Can last more than a month of effort.
- Demi-God Level: Can last months of effort.
- Godly Level: Can last the years of effort.
- Nigh-Infinite Level: Can last a Millennium,Bimillennium,Trimillennium,Decamillennium, Hectocentennial, and Holocene or above.
- Infinite Level: Cannot run out of stamina. (Ex: No Physical Body)
Note: Some aren't 100% specific but more research will be made for this category.