Welcome to the official ORAS OU Viability Rankings thread. In this thread, we as a community will rank every single usable Pokemon into "tiers." In this thread, you're encouraged to post your thoughts and opinions on the various Pokemon that are usable in ORAS OU and what tier they should fall under. Posts in this thread will be taken into account when deciding rank changes.
The general idea of the topic is to rank each OU Pokemon under "rankings" that go in descending order. Since this is a general tier list, everything is lumped together. There won't be any segregation between offense & defense threats.
ORAS OU Viability Rankings
S Rank
1. Excadrill
2. Clefable
S- Rank
3. Tornadus-Therian
4. Serperior
5. Rotom-W
6. Lopunny-Mega
7. Weavile
A+ Rank
8. Diancie-Mega
9. Alakazam-Mega
10. Manaphy
11. Volcanion
12. Ferrothorn
13. Medicham-Mega
14. Volcarona
15. Latias-Mega
16. Metagross-Mega
A Rank
17. Tyranitar
18. Slowbro
19. Latias
20. Altaria-Mega
21. Charizard-Mega-Y
22. Garchomp
23. Gliscor
24. Magnezone
25. Zapdos
26. Thundurus
27. Scizor-Mega
28. Bisharp
29. Cofagrigus
A- Rank
30. Keldeo
31. Slowbro-Mega
32. Tyranitar-Mega
33. Heatran
34. Landorus-Therian
35. Talonflame
36. Chansey
37. Skarmory
38. Tangrowth
39. Charizard-Mega-X
40. Pinsir-Mega
B+ Rank
41. Gastrodon
42. Dragonite
43. Thundurus-Therian
44. Latios
45. Azumarill
46. Gyarados-Mega
47. Venusaur-Mega
48. Jellicent
49. Suicune
B Rank
50. Mew
51. Kyurem-Black
52. Gardevoir-Mega
53. Starmie
54. Manectric-Mega
55. Breloom
56. Quagsire
57. Amoonguss
58. Crawdaunt
59. Heracross-Mega
B- Rank
60. Hydreigon
61. Latios-Mega
62. Seismitoad
63. Cresselia
64. Gengar
65. Terrakion
66. Alomomola
C+ Rank
67. Reuniclus
68. Victini
69. Nidoking
70. Gallade-Mega
71. Jirachi
72. Aerodactyl-Mega
73. Hippowdon
74. Kyurem
75. Alakazam
76. Rotom-Mow
C Rank
77. Sharpedo-Mega
78. Absol-Mega
79. Ditto
80. Shuckle
81. Mamoswine
82. Cloyster
83. Garchomp-Mega
84. Azelf
85. Hoopa
86. Slowking
87. Magneton
88. Sceptile-Mega
89. Scizor
90. Tentacruel
91. Gyarados:
92. * Pidgeot-Mega
93. Klefki
C- Rank
94. Houndoom-Mega
95. Nidoqueen
96. Beedrill-Mega
97. Blastoise-Mega
98. Aerodactyl
99. Empoleon
100. Aggron-Mega
101. Raikou
102. Swampert-Mega
103. Togekiss
104. Chesnaught
105. Camerupt-Mega
D Rank
Rules:
The general idea of the topic is to rank each OU Pokemon under "rankings" that go in descending order. Since this is a general tier list, everything is lumped together. There won't be any segregation between offense & defense threats.
- EX: Garchomp can be ranked in A tier as an offensive threat, Ferrothorn can be ranked under A as a supportive threat, and Hippowdon can be can also be ranked in B tier as a defensive threat. These are just examples not representative of their future or current ranks.
S
The best of the best. Reserved for Pokemon who shape and define the OU metagame and are clear-cut above the rest of the tier. These Pokemon are typically very powerful offensive threats that are difficult to prepare for and/or are phenomenal support and defensive threats that provide significant utility or defensive potential, respectively. Also the home of Pokemon who can easily perform multiple roles effectively, increasing their versatility and unpredictability. If the Pokemon in this rank have any flaws, those flaws are thoroughly mitigated by their substantial strengths.
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A
Reserved for Pokemon who can sweep or wall significant portions of the metagame and can perform well against most play styles, but require some support or have some flaws that prevent them from doing this consistently. Supporting Pokemon in this rank may give opponents free turns or cannot create free turns easily themselves, but they can still do their job most of the time. Pokemon in this rank are also known to define the play styles they fit on or are easy to add on any given team while being able to carry their weight nearly every match.
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B
Reserved for Pokemon who cannot sweep through or wall significant portions of the metagame, but can properly fulfill a given offensive/defensive niche. Support Pokemon in this category have flaws that prevent them from doing their job, are set up bait for dangerous sweepers, or often give too many free turns. Pokemon who are partially outperformed or struggle with taking on the Pokemon in the A or S Rank, but are otherwise dangerous in their own right and aren't difficult to fit on teams, may also fall into this category.
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C
Reserved for Pokemon who can be effective in the right setting, but either have crippling flaws that prevent them from consistently executing their strategy or are entirely eclipsed by a Pokemon in the above ranks. Pokemon in this rank typically require more extensive support, struggle to perform against the Pokemon ranked above, and are difficult to fit on teams.
The best of the best. Reserved for Pokemon who shape and define the OU metagame and are clear-cut above the rest of the tier. These Pokemon are typically very powerful offensive threats that are difficult to prepare for and/or are phenomenal support and defensive threats that provide significant utility or defensive potential, respectively. Also the home of Pokemon who can easily perform multiple roles effectively, increasing their versatility and unpredictability. If the Pokemon in this rank have any flaws, those flaws are thoroughly mitigated by their substantial strengths.
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A
Reserved for Pokemon who can sweep or wall significant portions of the metagame and can perform well against most play styles, but require some support or have some flaws that prevent them from doing this consistently. Supporting Pokemon in this rank may give opponents free turns or cannot create free turns easily themselves, but they can still do their job most of the time. Pokemon in this rank are also known to define the play styles they fit on or are easy to add on any given team while being able to carry their weight nearly every match.
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B
Reserved for Pokemon who cannot sweep through or wall significant portions of the metagame, but can properly fulfill a given offensive/defensive niche. Support Pokemon in this category have flaws that prevent them from doing their job, are set up bait for dangerous sweepers, or often give too many free turns. Pokemon who are partially outperformed or struggle with taking on the Pokemon in the A or S Rank, but are otherwise dangerous in their own right and aren't difficult to fit on teams, may also fall into this category.
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C
Reserved for Pokemon who can be effective in the right setting, but either have crippling flaws that prevent them from consistently executing their strategy or are entirely eclipsed by a Pokemon in the above ranks. Pokemon in this rank typically require more extensive support, struggle to perform against the Pokemon ranked above, and are difficult to fit on teams.
ORAS OU Viability Rankings
S Rank
1. Excadrill
2. Clefable
S- Rank
3. Tornadus-Therian
4. Serperior
5. Rotom-W
6. Lopunny-Mega
7. Weavile
A+ Rank
8. Diancie-Mega
9. Alakazam-Mega
10. Manaphy
11. Volcanion
12. Ferrothorn
13. Medicham-Mega
14. Volcarona
15. Latias-Mega
16. Metagross-Mega
A Rank
17. Tyranitar
18. Slowbro
19. Latias
20. Altaria-Mega
21. Charizard-Mega-Y
22. Garchomp
23. Gliscor
24. Magnezone
25. Zapdos
26. Thundurus
27. Scizor-Mega
28. Bisharp
29. Cofagrigus
A- Rank
30. Keldeo
31. Slowbro-Mega
32. Tyranitar-Mega
33. Heatran
34. Landorus-Therian
35. Talonflame
36. Chansey
37. Skarmory
38. Tangrowth
39. Charizard-Mega-X
40. Pinsir-Mega
B+ Rank
41. Gastrodon
42. Dragonite
43. Thundurus-Therian
44. Latios
45. Azumarill
46. Gyarados-Mega
47. Venusaur-Mega
48. Jellicent
49. Suicune
B Rank
50. Mew
51. Kyurem-Black
52. Gardevoir-Mega
53. Starmie
54. Manectric-Mega
55. Breloom
56. Quagsire
57. Amoonguss
58. Crawdaunt
59. Heracross-Mega
B- Rank
60. Hydreigon
61. Latios-Mega
62. Seismitoad
63. Cresselia
64. Gengar
65. Terrakion
66. Alomomola
C+ Rank
67. Reuniclus
68. Victini
69. Nidoking
70. Gallade-Mega
71. Jirachi
72. Aerodactyl-Mega
73. Hippowdon
74. Kyurem
75. Alakazam
76. Rotom-Mow
C Rank
77. Sharpedo-Mega
78. Absol-Mega
79. Ditto
80. Shuckle
81. Mamoswine
82. Cloyster
83. Garchomp-Mega
84. Azelf
85. Hoopa
86. Slowking
87. Magneton
88. Sceptile-Mega
89. Scizor
90. Tentacruel
91. Gyarados:
92. * Pidgeot-Mega
93. Klefki
C- Rank
94. Houndoom-Mega
95. Nidoqueen
96. Beedrill-Mega
97. Blastoise-Mega
98. Aerodactyl
99. Empoleon
100. Aggron-Mega
101. Raikou
102. Swampert-Mega
103. Togekiss
104. Chesnaught
105. Camerupt-Mega
D Rank
106. Diggersby
107. Hawlucha
108. Zygarde
109. Uxie
110. Kingdra
111. Infernape
112. Cobalion
113. Scolipede
114. Ninetales
115. Krookodile
116. Dragalge
117. Glalie-Mega
118. Politoed
119. Zoroark
120. Tyrantrum
121. Conkeldurr
122. Haxorus
123. Doublade
124. Milotic
125. Metagross
126. Barbaracle
107. Hawlucha
108. Zygarde
109. Uxie
110. Kingdra
111. Infernape
112. Cobalion
113. Scolipede
114. Ninetales
115. Krookodile
116. Dragalge
117. Glalie-Mega
118. Politoed
119. Zoroark
120. Tyrantrum
121. Conkeldurr
122. Haxorus
123. Doublade
124. Milotic
125. Metagross
126. Barbaracle
S Rank
Clefable
A Rank
A+ Rank
Excadrill
Ferrothorn
Gliscor
Metagross-Mega
Rotom-W
Serperior
Tornadus-T
A Rank
Garchomp
Heatran
Keldeo
Latias-Mega
Magnezone
Manaphy
Tyranitar
Volcarona
A- Rank
Alakazam-Mega
Altaria-Mega
Bisharp
Landorus-T
Latios
Lopunny-Mega
Skarmory
Tangrowth
Weavile
B Rank
B+ Rank
Chansey
Charizard-Mega-Y
Diancie-Mega
Gastrodon
Hydreigon
Latias
Medicham-Mega
Scizor-Mega
Slowbro
Slowbro-Mega
Thundurus
Thundurus-T
Tyranitar-Mega
Zapdos
B Rank
Azumarill
Charizard-Mega-X
Crawdaunt
Gyarados-Mega
Latios-Mega
Pinsir-Mega
Suicune
Talonflame
B- Rank
Alomomola
Amoonguss
Breloom
Dragonite
Heracross-Mega
Jirachi
Kyurem-B
Quagsire
Reuniclus
Shuckle
Starmie
Volcanion
C Rank
C+ Rank
Alakazam
Cofagrigus
Gardevoir-Mega
Gengar
Gyarados
Hippowdon
Kyurem
Mamoswine
Manectric-Mega
Mew
Slowking
Terrakion
Venusaur-Mega
C Rank
Aerodactyl-Mega
Diggersby
Gallade-Mega
Garchomp-Mega
Seismitoad
Victini
C- Rank
Azelf
Celebi
Dragalge
Empoleon
Kabutops
Kingdra
Klefki
Politoed
Sharpedo-Mega
Swampert-Mega
Tentacruel
Togekiss
Clefable
A Rank
A+ Rank
Excadrill
Ferrothorn
Gliscor
Metagross-Mega
Rotom-W
Serperior
Tornadus-T
A Rank
Garchomp
Heatran
Keldeo
Latias-Mega
Magnezone
Manaphy
Tyranitar
Volcarona
A- Rank
Alakazam-Mega
Altaria-Mega
Bisharp
Landorus-T
Latios
Lopunny-Mega
Skarmory
Tangrowth
Weavile
B Rank
B+ Rank
Chansey
Charizard-Mega-Y
Diancie-Mega
Gastrodon
Hydreigon
Latias
Medicham-Mega
Scizor-Mega
Slowbro
Slowbro-Mega
Thundurus
Thundurus-T
Tyranitar-Mega
Zapdos
B Rank
Azumarill
Charizard-Mega-X
Crawdaunt
Gyarados-Mega
Latios-Mega
Pinsir-Mega
Suicune
Talonflame
B- Rank
Alomomola
Amoonguss
Breloom
Dragonite
Heracross-Mega
Jirachi
Kyurem-B
Quagsire
Reuniclus
Shuckle
Starmie
Volcanion
C Rank
C+ Rank
Alakazam
Cofagrigus
Gardevoir-Mega
Gengar
Gyarados
Hippowdon
Kyurem
Mamoswine
Manectric-Mega
Mew
Slowking
Terrakion
Venusaur-Mega
C Rank
Aerodactyl-Mega
Diggersby
Gallade-Mega
Garchomp-Mega
Seismitoad
Victini
C- Rank
Azelf
Celebi
Dragalge
Empoleon
Kabutops
Kingdra
Klefki
Politoed
Sharpedo-Mega
Swampert-Mega
Tentacruel
Togekiss
Rules:
- Do not suggest changes to the tiering system itself.
- Post intelligently. Posts like "I think pokemon X should be in this tier" will be deleted.
- No flaming and being an idiot. You'll get warned if you purposely do. This specifically includes making joke nominations about other users.
- Usage statistics may be used to support an argument or a claim, but don't base your ENTIRE argument around them. For example, don't just say "Pokemon X shouldn't be this tier because they aren't used that often!"
- Suspect talk, unrelated stuff, one liners that ask questions that provide no substance, something that doesn't really pertain to rankings or petty arguments about semantics and definitions, such as the definition of a counter as one example, will be deleted.
- POST REPLAYS FOR NOMINATIONS FROM UNRANKED TO RANKED OR YOUR POST WILL BE DELETED!!
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