Muwing 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	120	(None: Auto-craft is an expression, not a skill, its level raises with licenses)
Action	120	Grandmaster
Cannon	34	Craftman
Crystal	1	Apprentice
Fishing	100	Grandmaster
Machine	10	Apprentice
Medicine	1	Apprentice
Spear	100	Grandmaster
Tool	20	Artisan