In the Demon Gods mobile game, Stamina was an item used to restore a player's HP and MP. Players could obtain stamina by completing missions, challenges, battles, and other methods in the game and store it in the "Stamina Pool" for use when needed. Players can obtain Stamina through the following methods: 1. Mission Completion: There are many missions in the game that players need to complete to obtain stamina rewards. 2. Challenge Mission: There are all kinds of challenge missions in the game that can be completed to obtain physical rewards. 3. Battle Victory: In the game, players can obtain stamina rewards by winning battles. 4. Daily activities: Complete daily activities in the game to obtain stamina rewards. 5. Buying Stamina: Players can buy unlimited Stamina through the in-game store, but they need to spend a certain amount of game coins or gold coins. Many players could choose different ways to obtain Stamina based on their needs and economic strength.