Last Stand is a star within the Constellation The Ritual in Elder Scrolls Online.
This was added in Update 6 with the Champion System. 120 points in the Ritual Constellation are required to unlock it. Once unlocked the player will acquire this bonus automatically and across all characters on their account.
When you fall below 20% Health gain Major Heroism which grants 18 Ultimate over 8 seconds. Can only occur once every 20 seconds.