Status condition Trainers/Pokémon
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Odds also account for Gen 1 miss probability and interfering AI,
and express the percentage to get a status ailment per enemy turn.
They don't account for in-battle strategies.
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# VIRIDIAN FOREST
Bug Catcher (mandatory) : 
- Weedle : PSN      10.1%


# NUGGET BRIDGE
Lass 1 :
- NidoranF : PSN     5.1%

Youngster :
- Ekans : PSN        6.7%

Lass 2 :
- NidoranF : PSN     5.1%


# ROUTE 25
Lass :
- NidoranM : PSN     5.1%
- NidoranF : PSN     5.1%


# CERULEAN CITY
Rocket :
- Drowzee : SLP     14.9%


# SS ANNE
Youngster (Body Slam) :
- NidoranM : PSN     5.1%


# VERMILLION CITY
Surge :
- Raichu : PRZ      22.6%


# ROCK TUNNEL
JrTrainerF 1 :
- Oddish : PSN      18.7% \ 56.0% total
           PRZ      18.7%  /
           SLP      18.7% /


# LAVENDER TOWER
Channeler 1 :
- Gastly : PRZ      10.0%
- Gastly : PRZ      10.0%

Channeler 2 :
- Gastly : PRZ      10.0%

Channeler 3 :
- Gastly : PRZ      10.0%

Rocket 2 :
- Koffing : PSN     14.0%
- Drowzee : SLP     14.9%


# CELADON CITY
Erika :
- Victreebel : PSN  18.7% \ 37.3% total
               SLP  18.7% /


# SILPH CO
Rocket (Card Key) :
- Arbok : PSN        5.1% \ 23.7% total
          PRZ       18.7% /

Rocket (pre-Giovanni) :
- Drowzee : PSN     13.7%

Giovanni :
- Nidorino : PSN     5.1%


# FUCHSIA CITY
Juggler :
- Drowzee : PSN      9.4%
- Hypno : PSN       13.7% (if last alive)

Koga :
- Koffing : PSN     12.8%


# CINNABAR ISLAND
Blaine :
- Growlithe : BRN    1.9%


# SAFFRON CITY
Sabrina :
- Venomoth : PSN    18.7% \ 37.3% total
             PRZ    18.7% /


# INDIGO PLATEAU
Lorelei : 
- Jynx : FRZ         2.5% \ 10.0% total
         PRZ         7.5% /
- Lapras : PRZ       7.5% \ 10.0% total
           FRZ       2.5% /

Agatha : 
- Gengar : SLP      12.6%
- Haunter : SLP     12.6%
- Gengar :  PSN     21.1% (if is last)

Champion (Charmander) :
- Exeggutor : SLP   20.0%
- Charizard : BRN    6.3%

Champion (Squirtle) :
- Arcanine : BRN     2.5%
- Exeggutor : SLP   20.0%
- Blastoise : FRZ    2.1%

Champion (Bulbasaur) :
- Arcanine : BRN     2.5%