What Did the Mimic Eat Today?

Traveling through another world, please choose your race. Elf? An ideal choice, beautiful and powerful, long-lived enough to be the protagonist of legendary stories. Human? Not bad, the most common is the best. If that doesn't work, there's no problem with the dwarves. At least they're strong enough to be reliable warriors. No matter how bad it is, Goblin is okay, at least he looks a bit like a human... Damn it, what the hell is a chest monster? Forget it, it doesn't matter, the Mimics can just lie down in the dungeon—— What an egg! How come there are performance requirements for making Mimics? "Recent reports from adventurers indicate that the recent monster activity has been too frequent, which may lead to a decrease in adventurers, thus affecting our customer flow." "After receiving an order, we need to escort a batch of treasures. Party A requires the treasure box to be hard and preferably able to bite people." ———— As a result, there is a different Mimic in the dungeon. "No, no one told me that I would be hatched before I disguised myself as a dragon egg???" "Wait a minute, Miss Red Dragon, listen to my explanation..."