When you are Level 20, go to High Prefect Osborn (Gludin) to become a Paagrio Monk. By l2hub
Steps from the game client
Find Khavatari Rosheek
You must undertake this quest in order to change your occupation to Monk. Gantaki Zu Urutu will instruct you in traditional Orc martial arts. He informs you that you must receive a scroll from two Masters. Go first to Khavatari Rosheek, who is training somewhere on the Immortal Plateau.
1st Spirit Scroll
Khavatari Rosheek says that he doesn't have time to waste on a novice like you. He orders you to go and slay five Kasha bears, collect their claws in a pouch and bring them to him. You must use only fist-type weapons for this task.
Khavatari Rosheek is meditating. He orders you to slay five Kasha blade spiders, collect their claws in a pouch and bring them back to him. You must only use fist-type weapons for this task.
Khavatari Rosheek is about to go on break. He tells you to slay five Scarlet Salamanders, collect their scales in a pouch and bring it back to him. You must only use fist-type weapons for this task.
Monsters to Hunt - Scarlet Salamanders.
Khavatari Rosheek has given you a fiery spirit scroll! Return to Gantaki Zu Urutu in Orc Village.
Second Scroll
Prefect Kasman in Gludin Village will tell you about the second scroll you will need to obtain to become a Monk.
Iron Will Scroll
In order to find the second scroll, you must meet Khavatari Toruku. He is located near the fork in the road in the northern part of Gludin Village.
Trial of Iron
Khavatari Toruku asks that you defeat many different types and levels of warriors. Slay a Vuku Orc fighter on Windmill Hill, a ratman warrior in a corner of the Ruins, a Langk lizardman in the Langk Lizardman Dwellings and a Felim lizardman in the Fellmere Harvesting Grounds. You must kill three of each for a total of 12, collect the proofs in a pouch and take them to Khavatari Toruku. You may use only bare hands, or hand-to-hand weapons for this task. Hunt Vuku Orc fighters, ratman warriors, Langk lizardman warriors, and Felim lizardman warriors.
You have passed the Testimony of Khavatari Toruku, and thus received the Iron Will Scroll. Return to Prefect Kasman of Gludin Village.
Forgotten Teacher
Gantaki Zu Urutu tells you to travel to the Valley of the Lords to meet Khavatari Aren.
Trial of Aren
Khavatari Aren asks you to collect 6 spider fangs, from either the Kasha Blade Spider or the Kasha Fang Spider. You must do it with your bare hands or fist weapons.
Monsters to Hunt: Kasha Blade Spider, Kasha Fang Spider
You have collected 6 spider fangs. Return to Khavatari Aren.
Hunt of Baar Dre Vanul
Khavatari Aren asks you to hunt the Baar Dre Vanul, found in the southern reaches of the Immortal Plateau. You must do so using only fist weapons or your bare hands.
Monster to Hunt - Baar Dre Vanul