What is nidoking weak against?

Nidoking is weak against the following types of Pokemon:

1. Water: Nidoking is weak to Water type moves, as it is partially a Ground type Pokemon which is weak to Water attacks. Water type moves such as Surf, Hydro Pump, and Water Gun are super effective against Nidoking.

2. Ice: Ice type moves like Ice Beam, Blizzard, and Ice Punch are also super effective against Nidoking due to its weakness to the Ice type.

3. Psychic: Psychic type moves such as Psychic, Confusion, and Psybeam are super effective against Nidoking as it is a Poison type, which is weak to Psychic type attacks.

4. Ground: Nidoking is weak to Ground type moves like Earthquake, Earth Power, and Bulldoze due to its Poison typing. Ground type moves are super effective against Poison type Pokemon like Nidoking.

It is important to keep in mind these weaknesses when battling against Nidoking in order to defeat it most effectively.