A Templar's power comes from firm faith in justice. To become a Templar, you must train your heart to believe in the power of justice.
Head to Twin Lion Mountain and defeat the Evil Eye Giant southeast of the inspection camp. Next, climb the South Lion Mountain and endure the burning of the evil fire spirits.
After you complete the task, head to Schilling Village in Prism Island Prairie and look for Sage Babama.
Only he can affirm your abilities and make you a Templar.
Child, I believe you are ready to become an outstanding Templar.
The road ahead will be difficult, but I have faith that you will prevail.