These achievements are associated with the uprising Divided We Fall. There are 290 legacy points spread between 18 achievements in 4 subsections. All of the achievements can be completed in 3 runs of the uprising, one in each difficulty.
10 Legacy Points | 10 Legacy Points | 10 Legacy Points | 10 Legacy Points
These achievements are unlocked for defeating Beta Cthon, Lieutenant Raena, Commander Kallin, and progressing past the poison room each once in [STORY] difficulty. The activity needed to complete these is;
[STORY] Uprising: Divided We Fall
10 Legacy Points
This achievement is unlocked for completing uprising Divided We Fall once in [STORY] difficulty. The enemies needed to complete this are;
Beta Cthon | Commander Kallin | Escape the Poison Room | Commander Kallin
20 Legacy Points | 20 Legacy Points | 20 Legacy Points | 20 Legacy Points
These achievements are unlocked for defeating Beta Cthon, Lieutenant Raena, Commander Kallin, and progressing past the poison room each once in [VETERAN] difficulty. The activity needed to complete these is;
[VETERAN] Uprising: Divided We Fall
20 Legacy Points
This achievement is unlocked for completing uprising Divided We Fall once in [VETERAN] difficulty. The enemies needed to complete this are;
Beta Cthon | Commander Kallin | Escape the Poison Room | Commander Kallin
25 Legacy Points | 25 Legacy Points | 25 Legacy Points | 25 Legacy Points
These achievements are unlocked for defeating Beta Cthon, Lieutenant Raena, Commander Kallin, and progressing past the poison room each once in [MASTER] difficulty. The activity needed to complete these is;
[MASTER] Uprising: Divided We Fall
25 Legacy Points
This achievement is unlocked for completing uprising Divided We Fall once in [MASTER] difficulty. The enemies needed to complete this are;
Beta Cthon | Commander Kallin | Escape the Poison Room | Commander Kallin
5 Legacy Points
This achievement is unlocked for killing 100 enemies with the Thermal Devastator acquired from Destroyable Crates. The activities needed to complete this are;
[STORY] Uprising: Divided We Fall | [VETERAN] Uprising: Divided We Fall
[MASTER] Uprising: Divided We Fall
5 Legacy Points
This achievement is unlocked for killing 1,000 enemy combatants in any difficulty. Although it requires a high number of deaths, this is easily completed in 3 runs, one on each difficult level. The activities needed to complete this are;
[STORY] Uprising: Divided We Fall | [VETERAN] Uprising: Divided We Fall
[MASTER] Uprising: Divided We Fall
5 Legacy Points
This achievement is unlocked for killing 100 enemies with the Tempest Rocket Launcher acquired from Destroyable Crates. The activities needed to complete this are;
[STORY] Uprising: Divided We Fall | [VETERAN] Uprising: Divided We Fall
[MASTER] Uprising: Divided We Fall