Right now, com2us only revealed 4 recipes but they plan to reveal more as they r getting new stuff done.
4 Recipes atm (all materials has to be MAXED LV and AWAKENED)
5* water phoenix = 5* wind nine-tailed fox + 5* fire joker + 5* fire joker + 5* water ninja + 5* water Material cat - u also need 500k mana to mix them up
4* wind nine-tailed fox = 4* wind harpy + 4* wind amazon + 4* fire elemental + 4* water garuda - 100k mana is required
4* fire joker = 4* fire werewolf + 4* fire MA + 4* water golem + 4* wind howl - 100k mana is needed
4* water ninja = 4* water inu + 4* water griffon + 4* wind bearman + 4* wind yeti - 100k mana is needed
In the next update, we will also see a guild system. 30 ppl max and u need mana to create. u also need to be at least lv 10.
They r also implementing new mobs, ranged from 2 stars to 5 stars.
They r also adding a new page in game where u can leave a comment for the mobs that u own."

Credit: some random guy, sadly my source didn't gave that random guy any credit