Darkness Energy
If the Pokémon 
Energy is attached to attacks, the attack does 10 more damage to the Active Pokémon (before applying Weakness and Resistance). Ignore this effect if the Pokémon that Energy is attached to isn't . Energy provides Energy. (Doesn't count as a basic Energy card.)
Energy is attached to attacks, the attack does 10 more damage to the Active Pokémon (before applying Weakness and Resistance). Ignore this effect if the Pokémon that Energy is attached to isn't . Energy provides Energy. (Doesn't count as a basic Energy card.)