Shellder

30 HP

WaterBasic

Weakness:Lightning×2Retreat:ColorlessReleased: Oct 10, 1999

Its hard shell repels any kind of attack. It is vulnerable only when its shell is open.

Attacks

WaterSupersonic

Flip a coin. If heads, the Defending Pokémon is now Confused.

WaterHide in Shell

Flip a coin. If heads, prevent all damage done to Shellder during your opponent’s next turn. (Any other effects of attacks still happen.)