Board Thread:Tips, Tricks, and Questions/@comment-183.90.103.130-20130822172716/@comment-12003403-20130822183444

You need to wait for RNG and have the epic popup. For those who are impatient, they can spin for the ultra.

Also, you occassionally get ultra spins for free from events, and ultras as trophy prizes. Perhaps some people want to spin and get another to fuse with? Idk, they both have their purpose.