How do I use Stamina? Eirhorn Updated February 18, 2018 00:31 Follow Stamina is used to complete Battles in the Normal and Elite Campaigns. Related articles How do I gain Stamina? How do I gain Gold? How do I increase the Stars of my Heroes? How do I change the email address that is associated with my account? How do I increase my Team Level? Comments 0 comments Article is closed for comments.