In the vast and mysterious world of the *One Piece* universe, due to its unique geographical structure and environmental conditions, every island presents a completely different natural landscape. These distinct environmental factors nurture and foster numerous bizarre and breathtaking wonders.
Among these many strange islands, there is a mysterious domain known to the world as "STRONGWORLD," which is controlled by the infamous pirate Golden Lion.
Back in the day, after successfully breaking out of the heavily guarded Impel Down, Golden Lion brought back a unique island—Merveille. Growing on this island was an extremely rare and bizarre type of plant known as IQ Evolution Grass.
Chapter 40