To obtain one of the legendary equipment chests, you must speak to Bothwell in the Abandoned City (171) and complete the corresponding quest. Bothwell will give you a legendary chest in exchange for some red and blue insignias.
| Bothwell's Quest | Number of Red Insignias | Number of Blue Insignias |
| Legendary Helmets Chest | 2 | 2 |
| Legendary Shields Chest | 2 | 2 |
| Legendary Armors Chest | 3 | 3 |
| Legendary Weapons Chest | 3 | 3 |