Inspired by the video by Morj: https://youtube.com/watch?v=Pa0AQf1vAuA.

Franky needs to be heavily involved in creating a ship or a weapon and this needs to based on the Pluton blueprints that he previously owned or in some other way heavily related to Pluton.

Arcs are specified according to the wiki. Elbaph started on 1126 and will end when the wiki claims. Will resolve to No after the arc if the conditions have not yet been meet.