Easy Way to tame one of these:

1) Insta Tame an Argy (get close to knockout drag a body so it eats and gets the healing effect this will drop its hunger so place whatever food you have for it and will be instant tame works on any level!)

2) Get that argy as a killing machine I recommend health n melee I use a 4.5k health one

3) Knockout Rex

4) While Rex is knocked out bring that argy around and kill whatever is near for prime meat I look for paracers

5) Tamed Rex

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