Get 30 kills with Arc Abilities.
Get 20 melee kills without dying.
Get 20 grenade kills.
Defeat 10 Hive Majors or Ultras.
Defeat 10 Vex Majors or Ultras.
Collect resource nodes, open chests and kill enemies on the Moon.
Complete a Strike in the SIVA Crisis Playlist without dying to earn an Indestructible Medal.
Rapidly kill 3 or more enemies with a Primary Weapon to earn Primary Streak, Primary Spree, or Primary Rampage Medals in SIVA Crisis Strikes.
Get grenade multikills to earn Explosive Streak Medals in SIVA Crisis Strikes.
Get assists to earn Concentrated Fire Medals in SIVA Crisis Strikes.
Get Super Kills in SIVA Crisis Strikes to earn the respective Super Kill Medals for your subclass.
Get 6 rapid kills with any weapon type to earn Primary Spree, Special Spree, or Heavy Spree Medals in SIVA Crisis Strikes.
Win a Crucible match in any playlist.
Defeat 7 opposing Guardians with Primary Weapons.
Complete a match with at least 10 kills and no more than 7 deaths.
Finish in the top 3 players in 6v6 or Free-For-All mode for three matches.
Defeat 7 Guardians using any ability (melee, grenade, super).
Get the first kill in a Crucible match.
WANTED: Sho'oulth, Horror of Oryx. Mars or Venus. Fireteam recommended.
Kill Taken Lieutenants in the Cosmodrome.
Kill 100 Taken.
Defeat 50 minions of Darkness before completing the Challenge of the Elders.
Generate 15 Orbs of Light in any strike playlist.
Get 30 Solar Kills on the Dreadnaught.
Exercise your skills in the Supremacy match type.
Exercise your skills in the Control match type.
Use Auto Rifles to defeat opposing Guardians in the Crucible.
Use Pulse Rifles to defeat opposing Guardians in the Crucible.
Use Fusion Rifles to defeat opposing Guardians in the Crucible.
Use Sniper Rifles to defeat opposing Guardians in the Crucible.
Use Heavy Weapons to defeat opposing Guardians in the Crucible.
Use Arc damage to kill Fallen.
Complete Dreg encounters in the Archon's Forge.
Complete Captain encounters in the Archon's Forge.
Earn Gold Tier Achieved, Silver Tier Achieved, or Bronze Tier Achieved Medals.
Earn a Gold Tier Achieved Medal in the Nightfall before time expires.
Get 150 enemy kills with your fireteam during a SIVA Crisis Strike to earn Brutal Efficiency Medals.