Enemies commendations are awarded in Spartan Ops only.
Backstab
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
Grunt Slayer
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
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
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
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
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
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
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
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
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
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
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
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
|
Forerunner Enemy
Crawler Slayer
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
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
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
Kill Knights
| Tier
|
Required #
|
Rewarded XP
|
| Novice
|
25
|
250
|
| Proficient
|
50
|
500
|
| Adept
|
75
|
750
|
| Expert
|
125
|
1000
|
| Distinguished
|
250
|
2500
|
| Master
|
500
|
5000
|
Knight Battlewagon Slayer
Kill Knight Battlewagons and Rangers
| Tier
|
Required #
|
Rewarded XP
|
| Novice
|
10
|
250
|
| Proficient
|
25
|
500
|
| Adept
|
50
|
750
|
| Expert
|
75
|
1000
|
| Distinguished
|
150
|
2500
|
| Master
|
300
|
5000
|
Knight Commander Slayer
Kill Knight Commanders
| Tier
|
Required #
|
Rewarded XP
|
| Novice
|
5
|
250
|
| Proficient
|
15
|
500
|
| Adept
|
30
|
750
|
| Expert
|
60
|
1000
|
| Distinguished
|
90
|
2500
|
| Master
|
180
|
5000
|
Watcher Slayer
Kill Watchers
| Tier
|
Required #
|
Rewarded XP
|
| Novice
|
125
|
250
|
| Proficient
|
250
|
500
|
| Adept
|
500
|
750
|
| Expert
|
750
|
1000
|
| Distinguished
|
1000
|
2500
|
| Master
|
2500
|
5000
|
Forerunner Destroyer
Complete all of the following commendations: Crawler Slayer, Crawler Prime Slayer, Crawler Sniper Slayer, Knight Commander Slayer, Knight Slayer, Knight Battlewagon Slayer, Watcher Slayer
|
