Clea player Craft Skills in Atlantica Online:

Ranks are: Apprentice (level 1-10), Artisan (level 11-20), Craftman (level 21-50), Expert (level 51-70), Master (level 71-90), Grandmaster (level 91+). You can teach inferior ranks from the Artisan status.
Experience gained while teaching depends on the level you train: 100 xp (lvl 1), 500 xp (lvl 2-10), 800 xp (lvl 11-20), 1,000 xp (lvl 21-50), 2,000 xp (lvl 31-40), 3,000 xp (lvl 41-50), 5,000 xp (lvl 51+).

Craft skills
Craft skill	Level	Rank
Auto-Craft	26	(None: Auto-craft is an expression, not a skill, its level raises with licenses)
Accessory	32	Craftman
Armor	5	Apprentice
Arrow	6	Apprentice
Axe	14	Artisan
Bow	15	Artisan
Cannon	9	Apprentice
Crystal	37	Craftman
Fishing	10	Apprentice
Food	21	Craftman
Gauntlet	31	Craftman
Gun	9	Apprentice
Helmet	10	Apprentice
Machine	11	Artisan
Medicine	17	Artisan
Power Saw	41	Craftman
Shield	22	Craftman
Shoes	22	Craftman
Spear	8	Apprentice
Sword	25	Craftman
Tool	14	Artisan