The wild Deviljho is a creature that will try to feed on everything it sees, causing its strength to increase, something you should avoid at all costs.
How to defeat Savage Deviljho in Monster Hunter World Iceborne?
Once you face the monster, you will have to try to inflict head damage, since this area is more sensitive and therefore your attacks will be more effective. Another weak point that this creature has are thunder and dragons, it also does not resist any of the elements, so you can use any weapon without any problem.
This is how you can defeat Savage Deviljho in Monster Hunter World Iceborne.