Darth Vander's Jedi eradication on Alaris Prime

During the Imperial War, the young Sith Lord Darth Vander commanded the 31st Fleet and disobeyed orders from the Sith Council to stay and wait for reinforcements, he led the successful attack on the Jedi Temple on Alaris Prime, all the Jedi were killed by Imperial Clone Troopers and the temple and the planet were seized and Darth Vander was promoted to High Sith General.