A route lasts four minutes long because gathering spots respawn four minutes after you last gathered from them. However, if you eat for Dango Harvester (which reduces gathering spot respawn time by 20%, from 4
It's a nice place to go when you just want to beat up mobs for a while, and the rewards were pretty decent before they got nerfed into oblivion. But unfortunately the bosses' health doesn't scale properly according to the population, so unless you have a full map you'll never beat ...
most things are balanced with a good ratio of effort/skill -> reward, while sometimes things can be designed to bypass a character's downside is not, and especially things designed to trivialize what is currently mostly worked on which are bosses with a bad aforementioned ratio. (or at le...