Silcoon · Ruby & Sapphire (RS) #43

Poké-BODY ⇢ Hard Cocoon
During your opponent’s turn, if Silcoon would be damaged by an opponent’s attack (after applying Weakness and Resistance), flip a coin. If heads, reduce that damage by 30.

{G} → Gooey Thread : 10
The Defending Pokémon can’t retreat until the end of your opponent’s next turn.