Big Mom and Kaido met at a hospital on the island.
Unlike Kaido, who had obvious external injuries, Big Mom had come to the hospital to treat her binge-eating disorder.
To be honest, when the two came to the hospital at Kizaru's invitation to experience the Land of Light's medical technology, neither of them had thought much of it.
People couldn't imagine things beyond what they knew. The advanced medicine Kaido and Big Mom could imagine amounted to little more than better operating rooms and better drugs.
But when they actually arrived at the hospital temporarily built on the island and underwent examinations and treatment, they realized just how wrong they had been.
The Land of Light's advanced examination equipment and the treatment method known as Medical Ninjutsu both exceeded their expectations.
Lying in his hospital bed, Kaido watched with his own eyes as a Medical Ninja used what they called Medical Ninjutsu to make his raw, torn wounds heal and sprout new tissue at a visible speed.
According to the doctor, if they weren't worried that excessive use of Medical Ninjutsu would shorten his lifespan, Kaido's injuries could have been completely healed at the hospital that very day.
Even with the use of Medical Ninjutsu kept under control, Kaido's rather serious injuries had healed by about seventy percent after less than an hour of treatment. His wounds had nearly closed.
Such an efficient method left even the battle-crazed Kaido marveling at the Land of Light's superb Medical Ninjutsu.
At the same time, Big Mom, who was also receiving treatment at the hospital, experienced another side of the Land of Light's advanced medical technology.
A Medical Ninja from the Hyuga Clan examined Big Mom and used special equipment to collect a sample of her stomach acid.
Both sides were amazed