Easy peasy tame.

First make sure your surname is the same as a griffin

( if u cant find a low lvl with ur surname kill all griffins that dont have your surname, eventually a low level will spawn with ur surname)

Find a low lvl griffin with your surname and make sure it respects you

Trap it in a stone dinosaur gateway trap

Make sure u have at least 15-20 allo kibble and soothing balm

Dont start knocking out once trapped

Sleep in sleeping bag then tranq it out

Feed kibble

Low lvl griffin

Do this twice until u have two low lvl griffins

Breed for griffin or super griffin kibble

Tame high level

Boom u have a high level