Koga's Ekans - Challenge from the Darkness

Giovanni's Nidoran ♀ - Challenge from the Darkness

Giovanni's Nidoran ♂ - Challenge from the Darkness

Koga's Zubat - Challenge from the Darkness

Sabrina's Venonat - Challenge from the Darkness

Koga's Grimer - Challenge from the Darkness

Koga's Koffing - Challenge from the Darkness

Koga's Tangela - Challenge from the Darkness

Erika's Ivysaur - Challenge from the Darkness

Koga's Kakuna - Challenge from the Darkness

Giovanni's Nidorina - Challenge from the Darkness

Giovanni's Nidorino - Challenge from the Darkness

Koga's Golbat - Challenge from the Darkness

Koga's Weezing - Challenge from the Darkness

Erika's Venusaur - Challenge from the Darkness

Koga's Beedrill - Challenge from the Darkness

Koga's Arbok - Challenge from the Darkness

Giovanni's Nidoqueen - Challenge from the Darkness

Giovanni's Nidoking - Challenge from the Darkness

Sabrina's Venomoth - Challenge from the Darkness

Koga's Muk - Challenge from the Darkness

Giovanni's Pinsir - Challenge from the Darkness

Blaine's Charmander - Challenge from the Darkness