It would seem you've stumbled upon something foreign, haven't you.
For a moment you wonder what this little thing could be as it jumps around in front of you, what seems to be wings flapping on it's back half. You lean down to inspect it, curious, before it gives a soft chirp, quick to scuttle away into some bushes.
You hear a laugh from your right as you turn to see a merchant and her cart pulling up beside you on the road you were traveling.
"First time seeing an Eranis, eh? Guess they could smell me coming, hoho."
She lets a laugh as she leans back against the wagon.
"You see, those little guys are only after two things. Sugar and Gold."
The merchant takes the time afterward to explain these creatures to you.Whenever a I pulls into town, I will give out however many chocolate coins I have for free to anyone who asks first. I, the Merchant, will make a post with the number of coins (imagine they were like eggs) and a color palette connected to each coin. All you have to do to claim a coin is comment the number of 1 of them (only one per person per batch). The coins are free. I repeat, Free. Just limited in the quantity.
Again, coins are basically eggs in this sense. I'll post a number of coins and palettes for each and you can claim one for free in each batch
The Eranis will not, however, grow any older or mature by this one item. They can not breed at this stage either but they will be friends with you for life.
Chocolate Idols are 20mil eachThey allow your Eranis to mature beyond the stages they normally would. What does that look like? 
At this stage, an Eranis is mature enough to breed, though even the Merchant is not sure if there are other requirements for this, though it would seem so. Possibly something to come in the future.
(Please note, I don't draw the big Eranis's until someone buys an idol so there will be a wait time between purchasing an idol and receiving the adult)
As for custom Eranis... well... that is another case entirely. You might have to bribe the Merchant a bit for her to go find you something even bigger and more chocolatey.
If you have any questions, feel free to ask!
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Perhaps there is some coins soon. The Merchant seems to have a sly smile on their face after all.
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