Welcome to the ORAS 1U Viability Ranking Thread! In case you're not familiar with the concept, we place Pokémon in certain ranks here, based on their impact on the tier as well as their general viability in the tier. This is an excellent help while teambuilding and it serves as a general outline of the tier. Furthermore it is used in our formation of the tier below.
If you feel that a Pokémon is misplaced, feel free to make a post about it - that's what this thread is for. As long as you are reasonably sensible and courteous this thread should run smoothly.
Pokémon are sorted into the respective categories based on how well they perform their roles. Within each ranking Pokemon are listed alphabetically to avoid overcomplication.
Banlist/Rules
S Rank
These Pokemon excel at their roles in the tier to such a point that they are the most dominating forces.
Arceus-Ghost - Analysis
Darkrai - Analysis
Ho-oh - Analysis
Kyogre - Analysis
A Rank
These Pokemon perform significant roles in the metagame, and perform them very well, however they are not the most dominating forces.
A+
Arceus - Analysis
Groudon - Analysis
Latias (Regular) - Analysis
Mewtwo (Regular, Mega Y) - Analysis
Sableye (Mega) - Analysis
Xerneas - Analysis
Yveltal - Analysis
A
Blaziken (Mega) - Analysis
Deoxys-S - Analysis
Dialga - Analysis
Genesect - Analysis
Palkia - Analysis
Rayquaza - Analysis
Zekrom - Analysis
A-
Arceus-Electric - Analysis
Arceus-Grass - Analysis
Arceus-Rock - Analysis
Arceus-Water - Analysis
Giratina-O - Analysis
Klefki - Analysis
Latios (Regular) - Analysis
Lugia - Analysis
B Rank
These Pokemon are strong choices in the metagame, but perform less important roles or are less consistent than Pokémon in the Rank above. They have larger flaws than Pokémon in above ranks, or face greater competition from similar Pokemon, reducing their usefulness.
B+
Arceus-Dark - Analysis
Arceus-Ground - Analysis
Deoxys-A - Analysis
Ferrothorn - Analysis
Gliscor - Analysis
Kangaskhan (Mega) - Analysis
Landorus-T - Analysis
Tyranitar (Regular) - Analysis
B
Arceus-Fairy - Analysis
Diancie (Mega)
Lucario (Mega)
Shaymin-S
-------------------- Everything above this line is 1U -------------------- Everything below this line is 2U --------------------
Chansey
Jirachi
Sylveon - Analysis
Terrakion
B-
Aegislash
Arceus-Poison
Blissey
Clefable
Heatran
Reshiram
Skarmory
C Rank
These Pokemon are more infrequent sights in the metagame, particularly in top level matches, but are nevertheless viable Pokemon. They are less effective in the metagame than Pokémon in above ranks, but are effective with proper support.
C+
Arceus-Fighting
Bronzong
Cloyster
Excadrill
Giratina
Mawile (Mega)
Mewtwo (Mega X) - Analysis
Scolipede
Smeargle - Analysis
C
Arceus-Steel
Gastrodon
Hippowdon
Metagross (Mega)
Kyurem-W
Scizor (Regular, Mega)
Slowbro (Mega)
Whimsicott
C-
Alomomola
Amoonguss
Arceus-Dragon
Arceus-Flying
Arceus-Psychic
Blaziken (Regular) - Analysis
Chesnaught
Cresselia
Ditto
Forretress
Garchomp (Regular)
Gyarados (Mega)
Greninja
Hoopa-U
Salamence (Regular)
Tentacruel
Thundurus
Tyranitar (Mega) - Analysis
Umbreon
Venusaur (Mega)
If you feel that a Pokémon is misplaced, feel free to make a post about it - that's what this thread is for. As long as you are reasonably sensible and courteous this thread should run smoothly.
Pokémon are sorted into the respective categories based on how well they perform their roles. Within each ranking Pokemon are listed alphabetically to avoid overcomplication.
Banlist/Rules
Swagger Clause: Swagger is banned
Mega Rayquaza Ban Mod: You cannot mega evolve Rayquaza
Sleep Clause Mod: Limit one foe put to sleep
Species Clause: Limit one of each Pokémon
Moody Clause: Moody is banned
OHKO Clause: OHKO moves are banned
Endless Battle Clause: Forcing endless battles is banned
HP Percentage Mod: HP is shown in percentages
Additional Bans:
Shadow Tag
Gengarite
Salamenceite
Red Orb
Blue Orb
Geomancy
Evasion Clause
Baton Pass Clause [Limit - 3 Baton Pass using members per team]
S Rank
These Pokemon excel at their roles in the tier to such a point that they are the most dominating forces.




A Rank
These Pokemon perform significant roles in the metagame, and perform them very well, however they are not the most dominating forces.
A+








A







A-








B Rank
These Pokemon are strong choices in the metagame, but perform less important roles or are less consistent than Pokémon in the Rank above. They have larger flaws than Pokémon in above ranks, or face greater competition from similar Pokemon, reducing their usefulness.
B+








B




-------------------- Everything above this line is 1U -------------------- Everything below this line is 2U --------------------




B-







C Rank
These Pokemon are more infrequent sights in the metagame, particularly in top level matches, but are nevertheless viable Pokemon. They are less effective in the metagame than Pokémon in above ranks, but are effective with proper support.
C+









C









C-




















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