Perhaps they woke up to find their usual power sources depleted, making them feel weak and ineffective.
Well, without more context, it's hard to tell the exact 'earthshakers bad day story'. But generally, a bad day for anyone or anything called Earthshakers might involve things like natural disasters affecting their home (if they are some sort of creatures related to the earth), or getting into big fights with other groups or individuals. Maybe they lost something precious to them during that day too.
Perhaps the jellyfish got separated from its group. In the ocean, being alone can be dangerous for a jellyfish as it might not be able to find food easily or defend itself well. So, this separation could be a key event in its bad day story. Another aspect could be that there was a lack of plankton, which is the main food source for jellyfish. So, the jellyfish might have had to swim around for a long time without finding enough to eat, which would make it a really bad day.
One main event is Conker's encounter with the Panther King. He has to deal with the Panther King's demands. Another is when he gets lost in strange lands and has to find his way back. Also, his battles with various foes like the Tediz are important events.
One main event could be that Cinderella was given a huge pile of laundry to do by her stepmother. And while she was doing it, the washing basin might have broken, spilling water everywhere. Her stepmother then blamed her for being clumsy.
The main event is the separation of waters by God, creating the firmament.
On day 2 of the creation story, God separated the waters. He made the expanse to divide the waters above from the waters below. This expanse is often considered as the sky or the firmament in many religious interpretations.
Since I'm in the dark about the 'Andros Day story', it's impossible to list the main events. But generally, in a day - story related to a place or a person, main events could include things like a big gathering, a special ceremony, or a unique competition.
The main events often include feeding the animals.
The main events in 'A Day in the Desert Story' could involve the exploration of the desert. First, the story might introduce the initial feeling of the protagonist when entering the desert, which could be a mix of awe and fear. Then, they could discover some rare desert plants or encounter a group of desert nomads. Later, as the day nears its end, they might witness some amazing natural phenomena in the desert, like a mirage or a sudden gust of cool wind, and finally, find their way back to safety or a place to stay for the night.
The main events are usually snowball fights and making snowmen.