There are many wild animals in the legend of zelda, some of which are difficult to fight. The difficulty may vary from player to player. Here are some beasts that may be difficult to fight:

-Lei Shou: This beast is not difficult. It needs to be controlled before it can pass.

-Camel: This beast needs some skill and patience to defeat.

-Elephant: This beast needs some endurance and skill to defeat.

Gecko: This beast needs some skill and patience to defeat.