After killing the yeti boss and crossing the map in .05 seconds, I decided to climb to the roof of the aberration zone and did a piledriver onto a level 150 Rex and it disintegrated like spider man in infinity war
To tame a baboon thing you will first have to murder its friends and family including its children. Then you beat some sense into it until it is at less than 85% health then shove food in its mouth against its will and it will somehow start to love you.