what's this? and.. how to use?

Neo Monsters Neo Monsters General Discussions
1

1.  Cryptamid

2.  Crystalmouth

I’ve got them yesterday. but…I don’t know them… 

Could you help me?

2

  1. Cryptamid

  2. Crystalmouth

I’ve got them yesterday. but…I don’t know them…

Could you help me?

Those are ingredients for ultra evolutions
You can collect and use them to ultra evolve your monsters
Although you need certain types and amount for certain monsters