If it really placed extremely high demands on one's total Haki reserves, then with Marine Admirals generally only standing around three meters tall, perhaps only the exceptionally gifted Garp could master it.
If that was indeed the case, then the Charlotte Family had no need to worry about this technique becoming widespread.
But as he thought about it, Mousse suddenly laughed again, having realized something rather interesting:
"Even if it does spread, wouldn't the Marines be the ones with the bigger headache rather than us? Their operation is too sprawling, with too many bases. If high-level battles really turn into opening with ultimate moves and bombarding each other from afar, then every one of those bases becomes a target! They can be destroyed easily, but rebuilding them takes huge amounts of money and time. Can the World Government afford that? But if they abandon those branches and stop defending them, how are they supposed to control the Grand Line?"
As he spoke, Mousse checked his watch again and discovered that more than an hour had passed since the mother and her three children had hidden in the Mirror World.
Yet the mirror was still perfectly intact, meaning that ship had never come under attack. Finally putting his mind fully at ease, he had everyone leave the Mirror World and return to the ship. "It's been this long and nothing's happened, so it looks like we don't need to abandon this ship after all. Let's go back aboard and sail it home."
After returning to the ship, Mousse was probably thirsty from talking so much earlier, so he instructed a Chess Pawn to bring him some fruit to replenish his fluids.
When the fruit platter was brought over, Mousse had only reached halfway toward it when he froze in shock and