THE LEGEND BEGINS

The imperial battlemage Jagar Tharn betrays the Emperor Uriel Septim by imprisoning him in an alternate dimension, then assuming the Emperor’s identity and place on the throne. A lone prisoner must travel to Tamriel’s most famous and dangerous sites to collect the shattered Staff of Chaos, save the Emperor and free the Empire.

https://eulas.bethesda.net/en/The%20Elder%20Scrolls%20Arena