Art by skrimps
Thread previously maintained by Teh, thank you for your work with updating this!
Welcome to the RBY ZU! After a relatively long period of inactivity, this tier is back and ready to be explored! Feel free to discuss anything ZU-related in this thread, whether that be sets you find to be underrated, viability rankings, or anything inbetween!
Resources:
Viability Rankings
Preliminary VR for the metagame following the December 2024 PU Viability Rankings Update.
Sample Teams
Note: Click on the Pokemon to access the link to the team





Fast Spam (gastlies)





Lead Charmeleon + Butterfree (gastlies)





Butterfree + Drowzee (Wanted in 49 States)





Lead Sect + Oma (ButtGallon)





Lead Butterfree + Oma (ButtGallon)





Tentacool + Butterfree (Maris Bonibell)





Lead Tentacool + Butterfree (Maris Bonibell)





Lead Ape + Slowpoke (Maris Bonibell)





Pidgeot + Onix (Salty3345)





Omanyte + Amnesia Slowpoke (Wanted in 49 States)





Muk + Omanyte (torkonpeter)





Lead Arbok + Onix (ButtGallon)





Drowzee + Water Spam (virae)














































































The Vault
An archive of outdated resources and discussions to preserve history. Organized into 'eras' to ease navigation.
The Initial Speculation Era
The "Arbok + Gastly" Era
The "Arcanine + Sandslash" Era
The Post-Arcanine/SandslashBan Era
The "Arbok + Pidgeot" Era
The "Arbok + Gastly" Era
S
Arbok
Flareon
Gastly
Onix
High
Diglett
Kabuto
Marowak
Pidgeot
Primeape
Scyther
Mid
Butterfree
Machoke
Magneton
Muk
Parasect
Pikachu
Tentacool
Weepinbell
Low
Charmeleon
Clefairy
Dratini
Golbat
Hitmonlee
Lickitung
Meowth
Ponyta
Rhyhorn
Wartortle
Weezing




High






Mid








Low











Poliwag Balance by GetSleidSun - 





Fast Physical Offense by royzin





Diglett + Pidgeot Offense by royzin





Scyther Offense by BeatsBlack





Double Ground by BeatsBlack





Marowak Paraspam by BeatsBlack





Double Fighting Paraspam by BeatsBlack











Fast Physical Offense by royzin






Diglett + Pidgeot Offense by royzin






Scyther Offense by BeatsBlack






Double Ground by BeatsBlack






Marowak Paraspam by BeatsBlack






Double Fighting Paraspam by BeatsBlack






Code:
+ ---- + ------------------ + ---- + ------- + ------- +
| Rank | Pokemon | Use | Usage % | Win % |
+ ---- + ------------------ + ---- + ------- + ------- +
| 1 | Arbok | 207 | 95.83% | 47.83% |
| 2 | Gastly | 157 | 72.69% | 54.78% |
| 3 | Primeape | 148 | 68.52% | 48.65% |
| 4 | Flareon | 129 | 59.72% | 43.41% |
| 5 | Diglett | 105 | 48.61% | 58.10% |
| 6 | Pidgeot | 83 | 38.43% | 57.83% |
| 7 | Onix | 82 | 37.96% | 42.68% |
| 8 | Scyther | 61 | 28.24% | 37.70% |
| 9 | Marowak | 52 | 24.07% | 51.92% |
| 10 | Kabuto | 49 | 22.69% | 38.78% |
| 11 | Parasect | 39 | 18.06% | 48.72% |
| 12 | Hitmonlee | 34 | 15.74% | 38.24% |
| 13 | Pikachu | 21 | 9.72% | 42.86% |
| 14 | Butterfree | 17 | 7.87% | 29.41% |
| 15 | Weepinbell | 9 | 4.17% | 66.67% |
| 15 | Magneton | 9 | 4.17% | 33.33% |
| 17 | Rhyhorn | 8 | 3.70% | 75.00% |
| 18 | Ponyta | 4 | 1.85% | 25.00% |
| 19 | Lickitung | 3 | 1.39% | 66.67% |
| 19 | Charmeleon | 3 | 1.39% | 66.67% |
| 19 | Meowth | 3 | 1.39% | 33.33% |
| 19 | Machoke | 3 | 1.39% | 0.00% |
| 19 | Muk | 3 | 1.39% | 0.00% |
| 24 | Clefairy | 2 | 0.93% | 50.00% |
| 24 | Weezing | 2 | 0.93% | 0.00% |
| 24 | Horsea | 2 | 0.93% | 0.00% |
| 24 | Tentacool | 2 | 0.93% | 0.00% |
| 24 | Shellder | 2 | 0.93% | 0.00% |
| 29 | Venonat | 1 | 0.46% | 100.00% |
| 29 | Golbat | 1 | 0.46% | 0.00% |
| 29 | Farfetch’d | 1 | 0.46% | 0.00% |
Code:
+ ---- + ----------------------- + ---- + ------- + ------- +
| Rank | Leads | Use | Usage % | Win % |
+ ---- + ----------------------- + ---- + ------- + ------- +
| 1 | Arbok | 66 | 30.56% | 51.52% |
| 2 | Diglett | 54 | 25.00% | 59.26% |
| 3 | Gastly | 38 | 17.59% | 47.37% |
| 4 | Primeape | 20 | 9.26% | 45.00% |
| 5 | Butterfree | 14 | 6.48% | 21.43% |
| 6 | Parasect | 6 | 2.78% | 66.67% |
| 7 | Pikachu | 4 | 1.85% | 50.00% |
| 7 | Scyther | 4 | 1.85% | 50.00% |
| 9 | Onix | 3 | 1.39% | 0.00% |
| 10 | Ponyta | 2 | 0.93% | 50.00% |
| 11 | Pidgeot | 1 | 0.46% | 100.00% |
| 11 | Charmeleon | 1 | 0.46% | 100.00% |
| 11 | Venonat | 1 | 0.46% | 100.00% |
| 11 | Marowak | 1 | 0.46% | 0.00% |
| 11 | Golbat | 1 | 0.46% | 0.00% |
The "Arcanine + Sandslash" Era
Code:
+ ---- + ------------------ + ---- + ------- + ------- +
| Rank | Pokemon | Use | Usage % | Win % |
+ ---- + ------------------ + ---- + ------- + ------- +
| 1 | Arcanine | 50 | 86.21% | 54.00% |
| 2 | Sandslash | 47 | 81.03% | 51.06% |
| 3 | Slowpoke | 31 | 53.45% | 51.61% |
| 4 | Primeape | 28 | 48.28% | 46.43% |
| 5 | Arbok | 27 | 46.55% | 37.04% |
| 6 | Magmar | 19 | 32.76% | 47.37% |
| 7 | Parasect | 18 | 31.03% | 44.44% |
| 8 | Electrode | 17 | 29.31% | 58.82% |
| 9 | Weepinbell | 14 | 24.14% | 64.29% |
| 9 | Scyther | 14 | 24.14% | 42.86% |
| 11 | Poliwag | 13 | 22.41% | 38.46% |
| 12 | Pidgeot | 10 | 17.24% | 60.00% |
| 13 | Onix | 6 | 10.34% | 66.67% |
| 13 | Vileplume | 6 | 10.34% | 50.00% |
| 13 | Kabuto | 6 | 10.34% | 16.67% |
| 16 | Flareon | 4 | 6.90% | 25.00% |
| 17 | Lickitung | 3 | 5.17% | 33.33% |
| 17 | Pikachu | 3 | 5.17% | 33.33% |
| 19 | Muk | 2 | 3.45% | 50.00% |
| 19 | Golbat | 2 | 3.45% | 0.00% |
| 19 | Hitmonlee | 2 | 3.45% | 0.00% |
| 19 | Wartortle | 2 | 3.45% | 0.00% |
| 23 | Weezing | 1 | 1.72% | 100.00% |
| 23 | Butterfree | 1 | 1.72% | 100.00% |
| 23 | Rhyhorn | 1 | 1.72% | 0.00% |
| 23 | Diglett | 1 | 1.72% | 0.00% |
| 23 | Dratini | 1 | 1.72% | 0.00% |
Code:
+ ---- + ----------------------- + ---- + ------- + ------- +
| Rank | Leads | Use | Usage % | Win % |
+ ---- + ----------------------- + ---- + ------- + ------- +
| 1 | Arcanine | 15 | 25.86% | 53.33% |
| 2 | Primeape | 13 | 22.41% | 53.85% |
| 3 | Arbok | 7 | 12.07% | 57.14% |
| 3 | Poliwag | 7 | 12.07% | 42.86% |
| 5 | Electrode | 6 | 10.34% | 33.33% |
| 6 | Slowpoke | 4 | 6.90% | 0.00% |
| 7 | Magmar | 3 | 5.17% | 100.00% |
| 8 | Weezing | 1 | 1.72% | 100.00% |
| 8 | Pikachu | 1 | 1.72% | 100.00% |
| 8 | Onix | 1 | 1.72% | 0.00% |
The "Arbok + Pidgeot" Era
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