That'd be a spoiler list.
Explore. Talk to every NPC you see. Follow clues. Find out for yourself. Play the game, don't just treat it as an experience points calculator.

Now I'll be the first to admit this aspect of Daimonin is not currently very well realised or developed, but I'll also use the word 'beta' to defend that.
If you really want spoilers, have a look in the Main server > Spoilers board, although no guarantees about anything in there being uptodate or in any way accurate.