perfectdark 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	100	(None: Auto-craft is an expression, not a skill, its level raises with licenses)
Accessory	39	Craftman
Action	47	Craftman
Armor	25	Craftman
Arrow	21	Craftman
Axe	26	Craftman
Book	39	Craftman
Bow	17	Artisan
Building	1	Apprentice
Bullet	22	Craftman
Cannon	19	Artisan
Cannonball	21	Craftman
Charm	21	Craftman
Crystal	50	Craftman
Fishing	46	Craftman
Food	31	Craftman
Gauntlet	20	Artisan
Gun	17	Artisan
Helmet	21	Craftman
Instrument	16	Artisan
License	23	Craftman
Machine	55	Expert
Mana Stone	13	Artisan
Medicine	52	Expert
Orb	19	Artisan
Pants	22	Craftman
Power Saw	18	Artisan
Scroll	16	Artisan
Sewing	38	Craftman
Shield	18	Artisan
Shoes	21	Craftman
Spear	20	Artisan
Staff	20	Artisan
Stationery	43	Craftman
Sword	24	Craftman
Tool	38	Craftman