|Description||Destroy the sentinel who last defeated you the next time you meet. (Rated only, 2-player)|
|Orb Points||100||Orb Coins||1|
A 2-player game can only be found by playing a Basic technology-level game (Warzone doesn't count, since the AI's also count as players).
Having a friend defeat you in a Basic rated, then fighting them again immediately and performing the first kill, unlocks this achievement.