This attack does 20 damage plus 10 more damage for each Energy attached to Dark Octillery but not used to pay for this attack's Energy cost. You can't add more than 20 damage in this way.
Flip a coin. If heads, the Defending Pokémon is now Paralyzed. If tails, during your opponent's next turn, your opponent pays more to retreat the Defending Pokémon.
It likes to sleep in rock caves and will even steal other Octillery's nests.
岩あなにもぐりこむ性質の持ち主で、眠くなると他のオクタンの巣あなをうばう。
Trivia
Dark Octillery is the only Dark Pokémon that is a Common card in the Neo Destiny set, and one of only two Common Dark Pokémon. The other is Dark Raticate from Team Rocket. Dark Octillery was Uncommon in Japan.