- Reach character level 10.
- Travel to Cyrodiil via the "Alliance War" menu.
- Speak to Arcarin.
- (Optional) Speak to Grand Warlord Sorcalin to skip training.
- (Optional) Speak to Viriniel to learn about the Transitus Shrine network.
- Speak to Fangil at the Western Elsweyr Gate to obtain siege munitions.
- Speak to Zan at the siege range near the Eastern Elsweyr Gate.