Broodmother Lysrix
Eats nothingLandNot rideable
Broodmother Lysrix, one of the creatures of ARK.
Method
Cannot be tamed
There is no way to tame this.
Taming
Broodmother Lysrix has no taming data on the wiki, so there is nothing to calculate. That usually means it cannot be tamed at all, but it can also mean the numbers have not been published yet.