WAIT WHAT? What's THIS!?

Lines with the blue text says, "Do you know Mercedes that will be added next time?" and "Do you know Cannon Shooter that will be added next time?"

MERCEDES and CANNON SHOOTER preparation event? WHAT? We don't even have all of the parts of Chaos yet! wtp!

 Spoiler

Basically, you hunt monsters around your level (for players 150, you have to hunt level 150+ monsters) to get Elf Dolls (Mercedes style Elf dolls) and Monkey Dolls (Cannon Shooter's partner monkey doll) and bring them to Gaga.

 Spoiler

And then there's these items you get from doing the quests each day that can ONLY be used by Mercedes and Cannon Shooter respectively :

 Spoiler

Items you can get over the course of a week :





My mind is blown.