Caesars Island-Killing Gas Weapon Is An Ongoing Research Threat
Status: confirmed (payoff Ch. 675) · Technique: chekhov-explicit
The seed
The payoff
Why this matters
An explicit, escalating WMD-research thread planted at the villain’s introduction — Oda’s chekhov-explicit pattern of foregrounding the exact catastrophe a hero arc will race to stop. Cross-link Caesar Clown, Gasu Gasu no Mi, Punk Hazard.