Executioner
ME3: Defeat an old adversary.
Master and Commander
ME3: Deliver most of the Galaxy at War assets to the final conflict.
The One and Only
ME3: Defeat a group of Spectre-level opponents on Normal, Hardcore, or Insanity.
Combined Arms
ME3: Perform any combination of 50 biotic combos or tech bursts.
Eye of the Hurricane
ME3: Kill a brute while it's charging you.
Focused
ME3: Evolve any of your powers to rank 6.
Well Connected
ME3: Send a warning across the galaxy.
Under Pressure
ME3: Uncover an ancient secret.
Hijacker
ME3: Hijack an Atlas mech.
Last Witness
ME3: Extract ancient technology.
Hard Target
ME3: Call down an orbital strike.
Party Crasher
ME3: Sabotage a dreadnought.
Fact Finder
ME3: Discover an enemy's monstrous origin.
Problem Solver
ME3: Evacuate a scientific facility.
Sky High
ME3: Lift 100 enemies off the ground with powers.
Last Resort
ME3: Stop an out-of-control scheme before it's too late.
Pyromaniac
ME3: Set 100 enemies on fire with powers.
Shield Breaker
ME3: Overload the shields of 100 enemies.
Arbiter
ME3: Win a political stand-off.
Pathfinder
ME3: Explore a lost city.