Just a quick tip for Conjurers: it is highly beneficial that you know the elemental relationship and the elemental alignment of the mobs you are planning to grind on.
First --- and the most obvious reason --- you will kill the mobs faster.
Second, casting spells with an element that the mobs are weak against will yield more SP gains, as opposed to casting random spells of varying elements.
As a reminder: Ice -> Wind -> Fire, Lightning -> Water -> Earth
How do you know which elements are monsters weak against? Their shard drops are the best hints: you need to check which one of their shard drops drop 6. Almost all of the mobs that I encounter has one type of shards that they drop the most.
Good luck and happy hunting! (Nice guide BTW, I bookmarked it. :) )
I have a slightly different theory about the elemental relationship. if you look at the Attributes of the character it shows this:
To me that would mean Lightning and Ice are opposites, Wind and Earth, Fire and water. When I fought Dodo, I used Stone on them and was doing over 200 HP most times at level 16. Need to check it again, just to verify... not had the time to.