That's it. Please complete all the tasks listed on the scroll! Stan pulls out a scroll and hands it to you.
Please go to the Belcar Plateau and defeat the Ironskin Cloned Beasts and Violent Cloned Beasts plaguing the area to prove your strength. When you're finished, head back to the Lakeside Cottage at Belcar Plateau and find Russell.
These preparations will allow you to earn the power of a Ranger!