Enemies commendations are awarded in Spartan Ops only
Backstab[edit]
Assassinate Covenant and Forerunner enemies.
| Tier
|
Required #
|
Rewarded XP
|
| Novice
|
10
|
250
|
| Proficient
|
25
|
500
|
| Adept
|
50
|
750
|
| Expert
|
100
|
1000
|
| Master
|
100
|
2500
|
Covenant Enemy[edit]
Grunt Slayer[edit]
Kill Grunt Infantry
| Tier
|
Required #
|
Rewarded XP
|
| Novice
|
125
|
250
|
| Proficient
|
250
|
500
|
| Adept
|
500
|
750
|
| Expert
|
750
|
1000
|
| Distinguished
|
1000
|
2500
|
| Master
|
2500
|
5000
|
Grunt Imperial Slayer[edit]
Kill Grunt Imperials and Space Grunts
| Tier
|
Required #
|
Rewarded XP
|
| Novice
|
75
|
250
|
| Proficient
|
150
|
500
|
| Adept
|
300
|
750
|
| Expert
|
450
|
1000
|
| Distinguished
|
600
|
2500
|
| Master
|
900
|
5000
|
Grunt Ultra Slayer[edit]
Kill Grunt Ultras
| Tier
|
Required #
|
Rewarded XP
|
| Novice
|
25
|
250
|
| Proficient
|
50
|
500
|
| Adept
|
75
|
750
|
| Expert
|
175
|
1000
|
| Distinguished
|
250
|
2500
|
| Master
|
350
|
5000
|
Jackal Slayer[edit]
Kill Jackal Infantry
| Tier
|
Required #
|
Rewarded XP
|
| Novice
|
75
|
250
|
| Proficient
|
150
|
500
|
| Adept
|
300
|
750
|
| Expert
|
450
|
1000
|
| Distinguished
|
600
|
2500
|
| Master
|
900
|
5000
|
Jackal Major Slayer[edit]
Kill Jackal Majors
| Tier
|
Required #
|
Rewarded XP
|
| Novice
|
25
|
250
|
| Proficient
|
50
|
500
|
| Adept
|
75
|
750
|
| Expert
|
125
|
1000
|
| Distinguished
|
250
|
2500
|
| Master
|
500
|
5000
|
Jackal Ranger Slayer[edit]
Kill Jackal Rangers
| Tier
|
Required #
|
Rewarded XP
|
| Novice
|
10
|
250
|
| Proficient
|
25
|
500
|
| Adept
|
50
|
750
|
| Expert
|
75
|
1000
|
| Distinguished
|
150
|
2500
|
| Master
|
300
|
5000
|
Elite Slayer[edit]
Kill Elite Infantry
| Tier
|
Required #
|
Rewarded XP
|
| Novice
|
25
|
250
|
| Proficient
|
50
|
500
|
| Adept
|
75
|
750
|
| Expert
|
125
|
1000
|
| Distinguished
|
250
|
2500
|
| Master
|
500
|
5000
|
Elite Zealot Slayer[edit]
Kill Elite Zealots and Rangers
| Tier
|
Required #
|
Rewarded XP
|
| Novice
|
10
|
250
|
| Proficient
|
25
|
500
|
| Adept
|
50
|
750
|
| Expert
|
75
|
1000
|
| Distinguished
|
150
|
2500
|
| Master
|
300
|
5000
|
Elite Officer Slayer[edit]
Kill Elite Officers
| Tier
|
Required #
|
Rewarded XP
|
| Novice
|
5
|
250
|
| Proficient
|
15
|
500
|
| Adept
|
30
|
750
|
| Expert
|
60
|
1000
|
| Distinguished
|
90
|
2500
|
| Master
|
180
|
5000
|
Elite General Slayer[edit]
Kill Elite Generals
| Tier
|
Required #
|
Rewarded XP
|
| Novice
|
3
|
250
|
| Proficient
|
7
|
500
|
| Adept
|
21
|
750
|
| Expert
|
42
|
1000
|
| Distinguished
|
63
|
2500
|
| Master
|
84
|
5000
|
Hunter Slayer[edit]
Kill Hunters
| Tier
|
Required #
|
Rewarded XP
|
| Novice
|
5
|
250
|
| Proficient
|
10
|
500
|
| Adept
|
25
|
750
|
| Expert
|
50
|
1000
|
| Distinguished
|
100
|
2500
|
| Master
|
250
|
5000
|
Covenant Destroyer[edit]
Complete all of the following commendations: Elite General Slayer, Elite Officer Slayer, Elite Zealot Slayer, Grunt Ultra Slayer, Grunt Imperial Slayer, Hunter Slayer, Jackal Ranger Slayer, Jackal Major Slayer. Completing this commendation will unlock the Orbital "Aeon" (AEON) armor set and the "Covenant" emblem.
|
Forerunner Enemy[edit]
Crawler Slayer[edit]
Kill Crawler Infantry
| Tier
|
Required #
|
Rewarded XP
|
| Novice
|
125
|
250
|
| Proficient
|
250
|
500
|
| Adept
|
500
|
750
|
| Expert
|
750
|
1000
|
| Distinguished
|
1000
|
2500
|
| Master
|
2500
|
5000
|
Crawler Sniper Slayer[edit]
Kill Crawler Snipers
| Tier
|
Required #
|
Rewarded XP
|
| Novice
|
75
|
250
|
| Proficient
|
150
|
500
|
| Adept
|
300
|
750
|
| Expert
|
450
|
1000
|
| Distinguished
|
600
|
2500
|
| Master
|
900
|
5000
|
Crawler Prime Slayer[edit]
Kill Crawler Primes
| Tier
|
Required #
|
Rewarded XP
|
| Novice
|
25
|
250
|
| Proficient
|
50
|
500
|
| Adept
|
75
|
750
|
| Expert
|
125
|
1000
|
| Distinguished
|
250
|
2500
|
| Master
|
500
|
5000
|
Knight Slayer[edit]
Kill Knights
| Tier
|
Required #
|
Rewarded XP
|
| Novice
|
25
|
250
|
| Proficient
|
50
|
500
|
| Adept
|
75
|
750
|
| Expert
|
125
|
1000
|
| Distinguished
|
|