Okay... so now we know the adventure wasn't too long ago, then. Presumably this is one of the last quests Darkmoon was on before the start of the "Year One" arc in the main series. From one of Darkmoon's first quests to one of his most recent. Interesting.

Toma never really seemed all that stressed about finding the Rainbow Shell in Chrono Trigger. Plainly, the boy needs to learn to prioritize.
 
    

When evil spreads across the land, and darkness rises and the monsters roam. When the creatures of the night make beautiful music, and the things that go bump in the night go bump with greater enthusiasm. When the world is in peril and is in need of a hero...

These guys are, sadly, the best the world can hope for. These are the adventures of the heroes of CVRPG. They mean well, they try hard, and occasionally they do the impossible...

They actually do something heroic.