You can't kill Pokemon you can only make them faint. Dark and ghost types would help make them faint.
use Dark type attacks like "Bite". It's really simple since's it's a Pyschic Pokemon
Yes, Pyschic is TM29 in Pokemon.
sorry no
Dark-type moves
He dose eventually
He uses fighting type Pokemon so its better to use pyschic, flying type Pokemon
you can use a flying type pokemon like starly or a pyschic pokemon but watch out her lucardio
Dark, bug, and ghost.
Mewtwo, a Pokemon born for fighting, is the strongest in Yellow. It's Pyschic, legendary, and a man-made copy of Mew.
Probably Gothita and Woobat, but Woobat is only half Psychic, since it is also half Flying.
Well, they're not exactly scared of them, but ground and pyschic types are super-effective against them
The Petalburge Gym uses Normal Type Pokemon so you should take pyschic Pokemon or fighting type Pokemon if you want to beat them quickly.