Stamina is one of three major attributes in The Elder Scrolls Online, alongside Health and Magicka. Stamina is used whenever the character sprints, blocks, attacks or crouches (sneaks). The Nightblade Shadow ability of Refreshing Shadows will allow increase Stamina regeneration. Stamina can also be increased with the Siphoning skill of Siphoning Strikes. Argonians can use the Amphibious passive ability to increase Stamina regeneration whilst swimming.