The Missions Tower deacon indeed hadn't spoken incorrectly. In the back mountain, there was indeed danger everywhere. Who knew when they would encounter an ambush from a ferocious beast?
Also, these ferocious beasts had fought with Zephyr Blade Sect disciples all the time. Their combat experience was much greater than Leo and the others. Many of the times they were impossible to guard against.
Not long after the four had gone deeper, they had one by one suffered six or seven rounds of attacks, each enemy stronger than the last. Fortunately, they had learned the lesson from the first time and didn't encounter that sort of danger again. After all, other than Freya, Russell and Draven were both body refining fifth level strength, and with Leo to cap it off, taking care of these outer boundary ferocious beasts could still be considered relatively simple.