The Water Gods, also known as Aqua Laguna, were massive tsunamis powerful enough to submerge the entire lower half of Water 7. However, since these tsunamis visited Water 7 once every year, Water 7 had long since grown accustomed to them and developed corresponding precautions. Moreover, the city had been built in ascending tiers, so whenever the Water Gods struck, people would retreat to the uppermost level.
But this year's tsunami was even more immense than in previous years, completely engulfing Water 7 and forming an enormous upward-flowing current in the surrounding seas.
Bang!
With a deafening explosion, a huge hole suddenly opened in the middle of the tsunami. A metal box ship resembling a subway train then burst through along the track formed by the tsunami's surge.
At the foremost tip of the metal box ship stood Luffy and Zoro, their energy surging wildly as a faint but terrifying aura radiated from them.
The people behind them stared at the scene in stunned silence, deeply shaken. Even with the Sea Train, the fact that the two of them could join forces to temporarily tear open a gap in the tsunami was terrifying beyond measure.
Behind the Sea Train was a strangely shaped large ship. Two enormous sea beasts stood at its front, and the ship was being pulled along by ropes tied to the Sea Train.
However, a heated discussion was taking place there at that very moment.
"Hey, did any of you see that just now?" someone asked hesitantly.
"See what?" another person asked in confusion.
"I think I saw it... but maybe my eyes were playing tricks on me."
"Um... I think I saw it too."
"Huh? What are you people even talking about?"
The few who claimed they had seen it exchanged glances, then spoke in