ImTristin 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	64	Expert
Action	51	Expert
Armor	60	Expert
Arrow	35	Craftman
Axe	11	Artisan
Book	25	Craftman
Bow	26	Craftman
Building	11	Artisan
Bullet	11	Artisan
Cannon	24	Craftman
Cannonball	11	Artisan
Charm	11	Artisan
Crystal	71	Master
Fishing	41	Craftman
Food	11	Artisan
Gauntlet	18	Artisan
Gun	18	Artisan
Helmet	53	Expert
Instrument	21	Craftman
License	10	Apprentice
Machine	31	Craftman
Mana Stone	10	Apprentice
Medicine	21	Craftman
Orb	21	Craftman
Pants	11	Artisan
Power Saw	25	Craftman
Scroll	16	Artisan
Sewing	11	Artisan
Shield	11	Artisan
Shoes	11	Artisan
Spear	26	Craftman
Staff	31	Craftman
Stationery	11	Artisan
Sword	30	Craftman
Tool	29	Craftman