The Odessen Proving Ground section of the PvP achievements are obtained by completing matches of Odessen Proving Ground 8 vs. 8 unranked warzone. It has 245 legacy points spread between 19 achievements in 4 subsections. Most of these are incredibly time consuming to complete.
5 Legacy Points | 10 Legacy Points | 25 Legacy Points | 5 Legacy Points | 10 Legacy Points | 25 Legacy Points
These achievements are unlocked for dealing 125,000, 175,000, and 300,000 damage in a single match of Odessen Proving Ground, and dealing 300,000 damage in 10, 25, and 50 matches of Odessen Proving Ground. The damage dealt is cumulative over all deaths in a single match. The activity needed to complete these is;
Odessen Proving Ground
5 Legacy Points | 10 Legacy Points | 25 Legacy Points | 5 Legacy Points | 10 Legacy Points | 25 Legacy Points
These achievements are unlocked for healing 150,000, 250,000, and 350,000 health in a single match of Odessen Proving Ground, and healing 350,000 health in 10, 25, and 50 matches of Odessen Proving Ground. The damage dealt is cumulative over all deaths in a single match. The activity needed to complete these is;
Odessen Proving Ground
5 Legacy Points | 10 Legacy Points | 25 Legacy Points | 5 Legacy Points | 10 Legacy Points | 25 Legacy Points
These achievements are unlocked for striking killing blows against 25, 50, and 55 players in a single match of Odessen Proving Ground, and for striking killing blows against 55 players in 10, 25, and 50 matches of Odessen Proving Ground. The activity needed to complete these is;
Odessen Proving Ground
5 Legacy Points
This achievement is unlocked for taking 100,000 damage in a single match of Odessen Proving Ground. This does not have to be done in a single life, and is quite easy to get in a single match. The activity needed to complete these is;
Odessen Proving Ground