Quote Originally Posted by Daralii
I have no damn idea how it'd work in an MMO, but it's neat to think about.
It worked in FFXI. You would be able to learn certain spells at certain levels. Your artifact job armor would help you learn spells. The enemy would have to cast the spell to learn it. If your magic skill was high, you could learn it. There was some RNG to the system in that game.

My fondest memories playing blue was having to ally with 12 other players to learn some skills from incredibly tough monsters.