Once you get a diamond, infinity is easy to breed, although it may take some time.
Breed diamond with forest to get quetzal. Will get many forest fails but they are 20 seconds.
Breed diamond with fire to get crusader. Will get many fire fails but they are 20 seconds
Then breed diamond with quetzal or crusader to get Infinity.
My ID is ciarjen if you would like to add me
I play Dragon story (island name is Yniop), Castle Story (kingdom name is Langley) and Farm Story 2 (farm name is Batty's Farm).
I stumbled on this thread by accident. My first real attempt (fire fail) yielded 8 hours and a Jester. Pretty wild.