No. That is a different activity discussed in another thread. In the Discussion Boards, look for the thread to upgrade the buildings to Level 10.
https://forums.storm8.com/showthread...-The-Onyx-Mine
Essentially, you need to have a building at Level 9 to unlock those crafts and get that storyline/goal.
Yes. There are 3 Elflings. You can fight 2 immediately…
Papaya Elfling from Trees
Wyvernfruit Elfling at Farmhouses
The third one does not appear until you get to Goal 11.
Mango Elfling will be a guaranteed from the Paradise Palace and a random from the 3 dragons we craft starting in Goal 10.
My go to is the Wyvernfruit Elfling.
The Papaya Elfling is not guaranteed to drop coins. The Wyvernfruit Elfling will drop a minimum of 2 coins every time.
The Mango Elfling will drop a lot of coins but does not appear until late in the event and is harder to spawn.
The Wyvernfruit Dragon has been dropping 3 Wyvernfruit Leaves each collection.
Drops from the tropical gnome are ridiculously low. Giving up on this one already.