This is a good way if you want a high lvl one in mobile

1.Use a fast flyer (recommended argy)

2.get ur balm and allo kibble

3.find a low griffin

4.tranq it

5.feed a balm and get ur allo kibble

Boom! You got ur first griffing

Repeat this process up to what gender ur griffin you got then tame a high lvl one instead