When you are Level 20, talk to Head Blacksmith Tapoy (Gludin) to become an Artisan. By l2hub
Steps from the game client
The First Blacksmith Test
Quest that must be fulfilled to change occupation to Artisan. The Dwarf Village Blacksmith Silvery tells you that to become an Artisan you must receive recognition from three Blacksmiths that have been Artisans for a long time. He asks you to go to the Abandoned Coal Mines and obtain 10 boogle ratman teeth and two boogle ratman leader's big teeth.
In order to take the second test, you must visit Blacksmith Kluto. You can find him at the blacksmith's shop in Gludin Village.
Errant to Pinter
Take the letter you received from Blacksmith Kluto Blacksmith Pinter in the Town of Gludio.
Missing Box
The item that Blacksmith Kluto commissioned from Blacksmith Pinter has been stolen by a Vuku Orc fighter. Find the culprit and recover the stolen secret box. The thief can be found on Windmill Hill south of Gludin Village. Monster to hunt: Vuku Orc fighter.
Blacksmith Pinter rewards you with a 2nd Pass Certificate. Take the secret box to Blacksmith Kluto.
Railroad Worker Obi
In order to take the second test, you must first meet with Railroad Worker Obi who is on the Plunderous Plains. Go see him.
Solidarity of the Dwarves
Railroad Worker Obi tells you a story about the Solidarity of Dwarves. He asks you to relay the story that can potentially disrupt the Dwarves' loyalty to Mineral Trader Hitchi in the Town of Schuttgart. What do you think you should do?
A Thoughtless Person
Lockirin of Dwarven Village will instruct you on your next task.
Message Delivered
Mineral Trader Hitchi tells you to go back and visit Obi once more. Go see him.
A Shrewd Response
When you relay the message to him, Mineral Trader Hitchi tells you to go see Rydel.