As long as Arbok is your Active Pokémon, any damage done to your Pokémon by an opponent's attack is reduced by 10 (before applying Weakness and Resistance).
Attacchi
[Grass, Colorless, Colorless]Toxic
20
Costo energetico: 3
The Defending Pokémon is now Poisoned. Put 2 damage counters instead of 1 on the Defending Pokémon between turns.