Originally Posted by
scaevola
For those keeping score, a linear JP cost progression like Group 1 merits means it takes 435 JP to cap one ability at level 30, or 13,050,000 CP. If we use my 30-seconds-a-kill, 12,000 CP/hour scenario from page 3, that is 1,087.5 hours of straight XP grinding, doing nothing else, to cap a single JP enhancement on a single job.
QUALITY ASSURANCE
EDIT: And in case you, Dear Reader, are not entirely clear on this, this isn't something you're going to progress in incidentally while you do other things. The only way to get CP is to kill mobs that give CP, and as of right now here is a comprehensive list of events featuring XP-granting mobs of a sufficient level to give CP:
-Skirmish