Battle in the Alteran Home Galaxy

The Battle in the Alteran Home Galaxy occurred in 2008 and marked the end of the Ori crusade.

Prelude
Several months after the Odyssey received Asgard upgrades, SG-1 traveled to Dakara in search of the Ark of Truth, an Alteran piece of technology capable of bringing an end to the Ori crusade. Unfortunately, shortly after they uncovered what turned out not to be the Ark, Ori fighters and troops arrived at the planet commanded by Tomin. As he subsequently renounced the Ori and joined the Tau'ri, SG-1 and the Odyssey, commanded by Lt. Col. Cameron Mitchell, set off for the Ori Supergate and the Alteran Home Galaxy.

The Battle
The Odyssey cloaked immediately after reaching its destination in the Alteran galaxy as to not draw the attention of the Ori. However, the ship was ultimately detected after a replicator invasion of the ship caused problems with several of the ship's systems. Soon, 4 Ori motherships emerged from hyperspace and powered weapons.

Unable to return fire, the Odyssey's shields were bombarded by Ori energy beam weapons. Despite being powered by a ZPM, it was only a matter of time before the shields would fail. After several direct hit as extensive damage, the Odyssey's shields finally failed. However, seconds before the final deadly shot was to be fired, the Ark of Truth was activated, and the Ori withdrew.

Aftermath
After the Odyssey arrived back at Earth and SG-1 used the Ark of Truth on the last of the priors, they traveled, once again through the Stargate on another every day mission to save the galaxy, knowing that they had finally defeated the Ori thus ending the Ori crusade.