MapleStory Chaos: Profession Recipe Guide

It's too much. lol
To combine equips, you would need at least 3 Alchemist Rocks, at 6k each. And with the looting speed that foreigners have, it's really hard to earn mesos in kMS. Emphasis on the hard.

Alchemist rocks are dropped from mobs or sold through npcs? If dropped how rare like summon/magic?