Rampardos does 20 damage to itself. This attack's damage isn't affected by Weakness, Resistance, Poké-Powers, Poké-Bodies, or any other effects on the Defending Pokémon.
Assurance
30 Damage
As long as the Defending Pokémon's remaining HP is 60 or less, this attack's base damage is 60 instead of 30.
Disclaimer: The following data is based on sale history from a third party source. Data is updated about every 5 days. This data does not serve as a value guarantee.