Either find the Ferox Cave at 83.9,47.6 be careful as it is crawling with Polar Bears or go where there is always a snow storm and bring a Snow Owl,Bloodstalker, or Parasaur (Parasaur not recommended),find a Ferox using predator vision or spider vision then feed it element then grapple to a mountain and wait it out rinse and repeat, or for the Ferox cave build and enclosure large enough for the transformed version of the Ferox so it stays trapped and feed it element get it stuck let it go back to normal form and the redo it.

More Ferox Taming & KO Tips