League of Legends
Valorant
Rematch
Teamfight Tactics
DeadlockNEW
World of Warcraft
Helldivers 2
2XKO SOON™
Download Now
Tier List
N
ARAM Mayhem
NEW
Champions
Multisearch
Leaderboards
Live Games
Items
N
Watch
NEW
News
Probuild Stats
Guest
Logged Out
A
Mordekaiser

MordekaiserArena Build
Patch 26.7

Mordekaiser's Passive: Darkness Rise
P
Mordekaiser's Q: Obliterate
Q
Mordekaiser's W: Indestructible
W
Mordekaiser's E: Death's Grasp
E
Mordekaiser's R: Realm of Death
R
Mordekaiser Arena Build with the best items, augments, and duos. U.GG analyzes millions of matches to give you the best Mordekaiser Arena guide. Patch 26.7
Mordekaiser Arena Build with the best items, augments, and duos. U.GG analyzes millions of matches to give you the best Mordekaiser Arena guide. Patch 26.7
Build
Arena
ARAM
Counters
Leaderboards
ProbuildStats
Pro Builds
More Stats
Filters
Arena
26.7
A
Tier
51.94%
Win Rate
48 / 172
Rank
16.9%
Pick Rate
13.9%
Ban Rate
11,809
Matches
Mordekaiser Synergies
Champion
Avg. Place
1st Rate
Top 4 Rate
Pick Rate
1
Garen
4.44
10.43%
52.16%
2.35%278
2
Sett
4.03
13.62%
60.70%
2.18%257
3
Dr. Mundo
4.54
11.51%
50.00%
2.13%252
4
Shyvana
3.65
23.03%
64.61%
1.51%178
5
Kha'Zix
4.59
9.20%
46.63%
1.38%163
6
Tahm Kench
4.51
8.55%
52.63%
1.29%152
7
Master Yi
4.33
14.38%
55.48%
1.24%146
8
Jax
4.21
17.12%
54.11%
1.24%146
9
Ryze
4.45
16.54%
45.86%
1.13%133
10
Swain
4.63
9.02%
45.11%
1.13%133
11
Volibear
4.27
12.21%
57.25%
1.11%131
12
Darius
4.52
10.66%
46.72%
1.03%122
13
Zaahen
4.35
11.76%
54.62%
1.01%119
14
Pantheon
4.30
14.29%
49.58%
1.01%119
15
Trundle
4.20
10.34%
59.48%
0.98%116
16
Briar
3.74
17.54%
63.16%
0.97%114
17
Zed
4.31
16.67%
53.51%
0.97%114
18
Warwick
4.48
7.08%
48.67%
0.96%113
19
Cho'Gath
4.52
15.04%
47.79%
0.96%113
20
Sylas
4.41
6.25%
59.82%
0.95%112
21
Yone
4.34
9.26%
52.78%
0.91%108
22
Sion
4.84
8.57%
39.05%
0.89%105
23
Yasuo
4.29
11.54%
52.88%
0.88%104
24
Kayn
4.96
4.81%
42.31%
0.88%104
25
Shaco
4.39
11.65%
53.40%
0.87%103
26
Teemo
4.53
12.75%
50.98%
0.86%102
27
Vi
3.83
19.80%
65.35%
0.86%101
28
Caitlyn
4.32
9.28%
55.67%
0.82%97
29
Udyr
3.83
16.84%
64.21%
0.80%95
30
Vayne
4.26
8.42%
61.05%
0.80%95
31
Olaf
4.52
9.47%
52.63%
0.80%95
32
Singed
4.39
15.05%
54.84%
0.79%93
33
Tryndamere
4.08
8.70%
58.70%
0.78%92
34
Malphite
4.58
7.61%
53.26%
0.78%92
35
Nasus
4.57
13.19%
48.35%
0.77%91
36
Kai'Sa
5.07
5.62%
38.20%
0.75%89
37
Blitzcrank
4.12
15.29%
58.82%
0.72%85
38
Veigar
4.07
16.47%
54.12%
0.72%85
39
Vladimir
4.26
7.06%
50.59%
0.72%85
40
Aatrox
4.66
11.76%
47.06%
0.72%85
41
Ashe
4.30
13.10%
53.57%
0.71%84
42
Twitch
4.87
4.82%
48.19%
0.70%83
43
Lee Sin
3.84
9.76%
67.07%
0.69%82
44
Galio
4.38
13.75%
52.50%
0.68%80
45
Gwen
4.55
7.50%
50.00%
0.68%80
46
Brand
4.54
12.50%
50.00%
0.68%80
47
Jhin
4.83
3.75%
42.50%
0.68%80
48
Katarina
4.22
8.86%
55.70%
0.67%79
49
Ornn
4.90
14.10%
42.31%
0.66%78
50
Viego
4.30
14.29%
54.55%
0.65%77
51
Ahri
4.49
9.09%
50.65%
0.65%77
52
Kayle
4.38
15.58%
50.65%
0.65%77
53
Nautilus
4.66
11.69%
45.45%
0.65%77
54
Smolder
4.50
7.89%
52.63%
0.64%76
55
Alistar
4.93
9.21%
43.42%
0.64%76
56
Senna
4.76
11.84%
40.79%
0.64%76
57
Malzahar
4.24
10.67%
54.67%
0.64%75
58
Xin Zhao
4.01
13.51%
59.46%
0.63%74
59
Fizz
4.30
9.59%
58.90%
0.62%73
60
Morgana
4.23
6.85%
53.42%
0.62%73
61
Pyke
4.50
9.72%
51.39%
0.61%72
62
Graves
3.63
14.08%
67.61%
0.60%71
63
Akali
4.55
7.04%
52.11%
0.60%71
64
Tristana
3.96
15.71%
60.00%
0.59%70
65
Lux
4.14
17.14%
55.71%
0.59%70
66
Maokai
4.36
12.86%
52.86%
0.59%70
67
Leona
4.76
8.57%
45.71%
0.59%70
68
Amumu
3.70
18.84%
66.67%
0.58%69
69
Talon
4.59
4.35%
44.93%
0.58%69
70
Ezreal
4.93
7.25%
36.23%
0.58%69
71
Ambessa
4.18
10.29%
61.76%
0.58%68
72
Miss Fortune
4.68
10.29%
45.59%
0.58%68
73
Karma
4.94
5.88%
42.65%
0.58%68
74
Shen
3.96
17.91%
56.72%
0.57%67
75
Lillia
4.49
10.45%
53.73%
0.57%67
76
Mel
4.51
4.48%
49.25%
0.57%67
77
Fiora
4.42
11.94%
49.25%
0.57%67
78
Urgot
4.76
4.48%
46.27%
0.57%67
79
Hecarim
4.20
15.15%
51.52%
0.56%66
80
Twisted Fate
5.38
7.69%
38.46%
0.55%65
81
Rengar
4.38
20.63%
49.21%
0.53%63
82
Renekton
4.48
3.23%
56.45%
0.53%62
83
Sona
4.45
8.06%
53.23%
0.53%62
84
Nunu & Willump
3.82
10.00%
68.33%
0.51%60
85
Diana
3.80
20.00%
58.33%
0.51%60
86
Riven
4.07
11.67%
55.00%
0.51%60
87
Vex
4.97
6.67%
40.00%
0.51%60
88
Kalista
4.55
8.62%
58.62%
0.49%58
89
Jinx
4.71
10.34%
44.83%
0.49%58
90
Naafiri
4.09
14.04%
59.65%
0.48%57
91
Varus
4.54
5.26%
50.88%
0.48%57
92
Milio
4.33
9.09%
60.00%
0.47%55
93
Karthus
4.27
9.09%
56.36%
0.47%55
94
Yorick
4.15
9.09%
52.73%
0.47%55
95
Illaoi
4.45
12.73%
50.91%
0.47%55
96
Aurelion Sol
4.71
10.91%
50.91%
0.47%55
97
Ekko
4.49
5.45%
50.91%
0.47%55
98
Zyra
4.33
11.11%
51.85%
0.46%54
99
Irelia
4.46
14.81%
48.15%
0.46%54
100
Akshan
4.54
11.11%
46.30%
0.46%54
101
Heimerdinger
4.87
0.00%
47.17%
0.45%53
102
Soraka
3.50
19.23%
65.38%
0.44%52
103
Fiddlesticks
4.23
9.62%
53.85%
0.44%52
104
Yunara
4.46
11.54%
50.00%
0.44%52
105
Gragas
4.52
13.46%
48.08%
0.44%52
106
Yuumi
5.15
3.85%
40.38%
0.44%52
107
Jarvan IV
4.88
11.76%
39.22%
0.43%51
108
Kog'Maw
4.46
6.00%
58.00%
0.42%50
109
Bel'Veth
4.16
14.00%
50.00%
0.42%50
110
Lucian
4.48
12.00%
46.00%
0.42%50
111
Braum
4.86
12.00%
38.00%
0.42%50
112
Taric
5.35
4.08%
30.61%
0.41%49
113
Nami
4.10
16.67%
64.58%
0.41%48
114
Skarner
4.39
10.87%
54.35%
0.39%46
115
K'Sante
4.33
10.87%
54.35%
0.39%46
116
Evelynn
4.41
10.87%
47.83%
0.39%46
117
Gangplank
4.96
4.35%
41.30%
0.39%46
118
Poppy
4.98
2.17%
39.13%
0.39%46
119
Rammus
4.02
15.56%
62.22%
0.38%45
120
Bard
4.38
6.67%
55.56%
0.38%45
121
Zeri
4.42
4.44%
53.33%
0.38%45
122
Kassadin
4.27
17.78%
51.11%
0.38%45
123
Thresh
4.33
6.67%
46.67%
0.38%45
124
Sejuani
4.52
6.82%
59.09%
0.37%44
125
Rumble
4.25
9.09%
54.55%
0.37%44
126
Wukong
4.70
4.55%
52.27%
0.37%44
127
Nocturne
4.32
15.91%
50.00%
0.37%44
128
Kindred
4.49
18.60%
46.51%
0.36%43
129
Hwei
5.09
2.33%
41.86%
0.36%43
130
Kled
5.19
6.98%
32.56%
0.36%43
131
Ivern
3.76
12.20%
70.73%
0.35%41
132
Rell
4.59
12.20%
46.34%
0.35%41
133
Zilean
4.55
10.00%
52.50%
0.34%40
134
Aurora
4.53
12.50%
47.50%
0.34%40
135
Janna
5.28
10.00%
32.50%
0.34%40
136
Quinn
3.97
20.51%
58.97%
0.33%39
137
Rakan
4.44
12.82%
53.85%
0.33%39
138
Elise
4.74
12.82%
48.72%
0.33%39
139
Gnar
4.51
5.13%
46.15%
0.33%39
140
Ziggs
5.13
0.00%
41.03%
0.33%39
141
Draven
3.97
13.16%
60.53%
0.32%38
142
Annie
3.79
21.05%
60.53%
0.32%38
143
Zoe
4.47
7.89%
57.89%
0.32%38
144
Viktor
4.39
13.16%
44.74%
0.32%38
145
Lissandra
4.92
2.63%
36.84%
0.32%38
146
Anivia
4.41
8.11%
48.65%
0.31%37
147
Rek'Sai
4.19
13.89%
61.11%
0.30%36
148
Vel'Koz
4.49
8.57%
51.43%
0.30%35
149
Qiyana
4.86
11.43%
42.86%
0.30%35
150
Neeko
5.09
8.57%
31.43%
0.30%35
151
Aphelios
4.32
8.82%
55.88%
0.29%34
152
Renata Glasc
4.76
5.88%
50.00%
0.29%34
153
Lulu
4.88
5.88%
44.12%
0.29%34
154
Camille
4.88
14.71%
44.12%
0.29%34
155
Taliyah
4.30
6.06%
54.55%
0.28%33
156
Nilah
4.45
12.12%
51.52%
0.28%33
157
Samira
4.36
6.06%
51.52%
0.28%33
158
Zac
5.00
15.15%
39.39%
0.28%33
159
Jayce
4.22
9.38%
56.25%
0.27%32
160
Cassiopeia
4.61
9.68%
58.06%
0.26%31
161
Corki
4.00
22.58%
54.84%
0.26%31
162
Seraphine
4.39
9.68%
51.61%
0.26%31
163
Xerath
3.31
20.69%
75.86%
0.25%29
164
Xayah
4.76
6.90%
51.72%
0.25%29
165
Sivir
4.56
7.41%
59.26%
0.23%27
166
LeBlanc
5.00
3.70%
37.04%
0.23%27
167
Nidalee
4.77
0.00%
53.85%
0.22%26
168
Orianna
5.38
7.69%
34.62%
0.22%26
169
Kennen
4.36
12.00%
56.00%
0.21%25
170
Syndra
4.75
8.33%
50.00%
0.20%24
171
Azir
4.78
8.70%
43.48%
0.19%23
Mordekaiser Augments
Augment
Pick Rate
1
Marksmage
Marksmage
11.31%1,336
2
Goliath
Goliath
9.95%1,175
3
Tank Engine
Tank Engine
9.45%1,116
4
Infernal Conduit
Infernal Conduit
7.85%927
5
Witchful Thinking
Witchful Thinking
7.54%890
6
ADAPt
ADAPt
6.94%820
7
Critical Healing
Critical Healing
6.63%783
8
Jeweled Gauntlet
Jeweled Gauntlet
5.98%706
9
Phenomenal Evil
Phenomenal Evil
5.86%692
10
Transmute: Prismatic
Transmute: Prismatic
5.70%673
11
Perseverance
Perseverance
5.63%665
12
Heavy Hitter
Heavy Hitter
5.57%658
13
Eureka
Eureka
5.26%621
14
Dreadbringer
Dreadbringer
5.01%592
15
Big Brain
Big Brain
4.96%586
16
It's Killing Time
It's Killing Time
4.85%573
17
Bread And Butter
Bread And Butter
4.81%568
18
Quest: Steel Your Heart
Quest: Steel Your Heart
4.45%526
19
Rabble Rousing
Rabble Rousing
4.45%525
20
Doomsayer
Doomsayer
4.26%503
21
Executioner
Executioner
3.75%443
22
Quest: Wooglet's Witchcap
Quest: Wooglet's Witchcap
3.60%425
23
Frost Wraith
Frost Wraith
3.56%420
24
Center of the Universe
Center of the Universe
3.51%414
25
Transmute: Gold
Transmute: Gold
3.45%407
26
First-Aid Kit
First-Aid Kit
3.42%404
27
Ice Cold
Ice Cold
3.35%396
28
Desecrator
Desecrator
3.19%377
29
Hybrid
Hybrid
3.16%373
30
Goredrink
Goredrink
3.14%371
31
Apex Inventor
Apex Inventor
3.04%359
32
Celestial Body
Celestial Body
3.00%354
33
Vulnerability
Vulnerability
2.95%348
34
Mountain Soul
Mountain Soul
2.95%348
35
Erosion
Erosion
2.86%338
36
Recursion
Recursion
2.75%325
37
Magic Missile
Magic Missile
2.71%320
38
Gamba Anvil
Gamba Anvil
2.63%311
39
Slap Around
Slap Around
2.57%303
40
Deathtouch
Deathtouch
2.54%300
41
Stats on Stats!
Stats on Stats!
2.50%295
42
Raid Boss
Raid Boss
2.49%294
43
Master of Duality
Master of Duality
2.49%294
44
Combo Master
Combo Master
2.46%290
45
Holy Fire
Holy Fire
2.45%289
46
Clothesline
Clothesline
2.42%286
47
Quest: Urf's Champion
Quest: Urf's Champion
2.36%279
48
Slime Time
Slime Time
2.30%272
49
Dawnbringer's Resolve
Dawnbringer's Resolve
2.28%269
50
Bread And Jam
Bread And Jam
2.26%267
51
Slow Cooker
Slow Cooker
2.25%266
52
Thread the Needle
Thread the Needle
2.20%260
53
Vengeance
Vengeance
2.18%258
54
Dematerialize
Dematerialize
2.14%253
55
Parasitic Relationship
Parasitic Relationship
2.13%251
56
Augmented Power
Augmented Power
2.11%249
57
Infernal Soul
Infernal Soul
2.07%245
58
Extendo-Arm
Extendo-Arm
2.07%245
59
Calculated Risk
Calculated Risk
2.06%243
60
Numb to Pain
Numb to Pain
2.01%237
61
Ocean Soul
Ocean Soul
1.98%234
62
Leg Day
Leg Day
1.98%234
63
Bread And Cheese
Bread And Cheese
1.94%229
64
Transmute: Chaos
Transmute: Chaos
1.91%226
65
Tormentor
Tormentor
1.82%215
66
Omni Soul
Omni Soul
1.81%214
67
Firebrand
Firebrand
1.81%214
68
Impassable
Impassable
1.71%202
69
Wisdom of Ages
Wisdom of Ages
1.67%197
70
Firefox
Firefox
1.65%195
71
Don't Chase
Don't Chase
1.60%189
72
Sacrifice: For Prismatic
Sacrifice: For Prismatic
1.60%189
73
Divine Intervention
Divine Intervention
1.56%184
74
With Haste
With Haste
1.53%181
75
Dark Blessing
Dark Blessing
1.52%180
76
Flashy
Flashy
1.51%178
77
Accelerating Sorcery
Accelerating Sorcery
1.51%178
78
We'll Be Right Back
We'll Be Right Back
1.47%174
79
Shrink Ray
Shrink Ray
1.46%173
80
Symphony of War
Symphony of War
1.46%172
81
Deft
Deft
1.44%170
82
Stats!
Stats!
1.44%170
83
Mad Scientist
Mad Scientist
1.41%166
84
Serve Beyond Death
Serve Beyond Death
1.39%164
85
Contract Killer
Contract Killer
1.36%161
86
From Beginning to End
From Beginning to End
1.36%161
87
Soul Siphon
Soul Siphon
1.35%160
88
Ultimate Revolution
Ultimate Revolution
1.35%159
89
Light Warden
Light Warden
1.34%158
90
Spirit Link
Spirit Link
1.34%158
91
Ultimate Unstoppable
Ultimate Unstoppable
1.33%157
92
Buff Buddies
Buff Buddies
1.33%157
93
Tank It Or Leave It
Tank It Or Leave It
1.32%156
94
Mirror Image
Mirror Image
1.32%156
95
Self Destruct
Self Destruct
1.30%154
96
Ethereal Weapon
Ethereal Weapon
1.29%152
97
It's Critical
It's Critical
1.28%151
98
Ultimate Roulette
Ultimate Roulette
1.27%150
99
Laser Eyes
Laser Eyes
1.26%149
100
Chain Lightning
Chain Lightning
1.26%149
101
Willing Sacrifice
Willing Sacrifice
1.24%146
102
Circle of Death
Circle of Death
1.24%146
103
Demon's Dance
Demon's Dance
1.23%145
104
Can't Touch This
Can't Touch This
1.19%140
105
Giant Slayer
Giant Slayer
1.17%138
106
Restless Restoration
Restless Restoration
1.17%138
107
Quantum Computing
Quantum Computing
1.16%137
108
Guilty Pleasure
Guilty Pleasure
1.15%136
109
Stats on Stats on Stats!
Stats on Stats on Stats!
1.13%133
110
Juice Box
Juice Box
1.11%131
111
Mystic Punch
Mystic Punch
1.09%129
112
Keystone Conjurer
Keystone Conjurer
1.08%128
113
Courage of the Colossus
Courage of the Colossus
1.08%127
114
Searing Dawn
Searing Dawn
1.07%126
115
Orbital Laser
Orbital Laser
1.06%125
116
Scoped Weapons
Scoped Weapons
1.04%123
117
Scopier Weapons
Scopier Weapons
1.03%122
118
Fruits of Your Labor
Fruits of Your Labor
1.01%119
119
Dive Bomber
Dive Bomber
0.99%117
120
Prismatic Egg
Prismatic Egg
0.96%113
121
Warmup Routine
Warmup Routine
0.94%111
122
Light 'em Up!
Light 'em Up!
0.88%104
123
Feel the Burn
Feel the Burn
0.85%100
124
Fallen Aegis
Fallen Aegis
0.83%98
125
Castle
Castle
0.83%98
126
Back To Basics
Back To Basics
0.81%96
127
Hold Very Still
Hold Very Still
0.80%95
128
Restart
Restart
0.80%94
129
Panic Room
Panic Room
0.79%93
130
Die Another Day
Die Another Day
0.78%92
131
Tap Dancer
Tap Dancer
0.75%89
132
Summoner Revolution
Summoner Revolution
0.75%88
133
Juice Press
Juice Press
0.74%87
134
Dual Wield
Dual Wield
0.72%85
135
Snowball Fight!
Snowball Fight!
0.72%85
136
Nesting Doll
Nesting Doll
0.69%82
137
Scopiest Weapons
Scopiest Weapons
0.68%80
138
Typhoon
Typhoon
0.67%79
139
Hat Trick
Hat Trick
0.67%79
140
Bravest of the Brave
Bravest of the Brave
0.67%79
141
Cerberus
Cerberus
0.66%78
142
Summoner's Roulette
Summoner's Roulette
0.65%77
143
Flashbang
Flashbang
0.63%74
Mordekaiser Prismatic ItemsThese are the best Prismatic items to buy on Mordekaiser
Lightning Rod
Lightning Rod

70.26%
380
Demon King's Crown
Demon King's Crown

69.28%
472
Twin Mask
Twin Mask

69.16%
616
Pyromancer's Cloak
Pyromancer's Cloak

68.99%
1,619
Gargoyle Stoneplate
Gargoyle Stoneplate

66%
447
Cloak of Starry Night
Cloak of Starry Night

65.95%
373
Reality Fracture
Reality Fracture

65.61%
628
Demonic Embrace
Demonic Embrace

65.55%
1,855
Dragonheart
Dragonheart

65.24%
797
Shield of Molten Stone
Shield of Molten Stone

64.07%
423
Radiant Virtue
Radiant Virtue

63.87%
274
Hemomancer's Helm
Hemomancer's Helm

63.66%
443
Talisman Of Ascension
Talisman Of Ascension

62.61%
230
Flesheater
Flesheater

61.71%
525
Sanguine Gift
Sanguine Gift

61.12%
1,075
Moonflair Spellblade
Moonflair Spellblade

60.71%
756
Eleisa's Miracle
Eleisa's Miracle

60.7%
486
Twilight's Edge
Twilight's Edge

60.52%
385
Warmog's Armor
Warmog's Armor

59.8%
408
Detonation Orb
Detonation Orb

59.19%
468
Innervating Locket
Innervating Locket

59.11%
697
Night Harvester
Night Harvester

58.42%
974
Reaper's Toll
Reaper's Toll

57.51%
193
Puppeteer
Puppeteer

56.19%
105
Sword of the Divine
Sword of the Divine

56%
225
Black Hole Gauntlet
Black Hole Gauntlet

55.22%
786
Runecarver
Runecarver

54.59%
784
Empyrean Promise
Empyrean Promise

54.15%
205
Goredrinker
Goredrinker

54.13%
109
Kinkou Jitte
Kinkou Jitte

53.79%
145
Darksteel Talons
Darksteel Talons

53.64%
151
Cruelty
Cruelty

52%
400
Turbo Chemtank
Turbo Chemtank

51.43%
280
Skill Priority
Mordekaiser's Q: Obliterate
Q
Mordekaiser's E: Death's Grasp
E
Mordekaiser's W: Indestructible
W
55.02% WR
6,828 Matches
Skill PathMost popular ability leveling order
Mordekaiser's Q: Obliterate
Q
Obliterate
1
4
5
7
8
Mordekaiser's W: Indestructible
W
Indestructible
2
14
15
17
18
Mordekaiser's E: Death's Grasp
E
Death's Grasp
3
9
11
12
13
Mordekaiser's R: Realm of Death
R
Realm of Death
6
10
16
Mordekaiser's Passive: Darkness Rise
P
Darkness Rise
Starting Items
53.37% WR
8,141 Matches
Always buy first
2nd & 3rd Items
60.04% WR
1,509 Matches
Build this every game
Fourth Item
65.85% WR
732 Matches
64.4% WR
781 Matches
Fifth Item
81.21% WR
564 Matches
80.57% WR
314 Matches
88.26% WR
230 Matches
Sixth Item
93.8% WR
129 Matches
95.19% WR
104 Matches
93.33% WR
105 Matches
Consumables
83.92% WR
2,295 Matches
86.71% WR
1,700 Matches
95.01% WR
521 Matches

© 2017-2026 Outplayed Inc.

U.GG Stats isn't endorsed by Riot Games and doesn't reflect the views or opinions of Riot Games or anyone officially involved in producing or managing League of Legends.

Links

  • FAQ
  • Careers

Terms

  • Privacy Policy
  • Terms of Service

Socials

  • Discord
  • Twitter
  • YouTube
  • Instagram
  • Facebook

Our Brands

  • Icy Veins
  • The Sims Resource
  • Addicting Games
  • Fantasy Football Scout
  • Pocket Gamer