Where the heck do I get my OS20 from?

Only mobs that currently drop it: Dragon Rider, Cerebes, Silver Slime

I've been looking one for 4-5 months and I haven't seen anything at all in FM. Sure, Yellonde is a small server, but I can tell that there's still nice amount of main books of other classes in the FM.

After BB I haven't got any books at all as a drop, neither from bosses or normal mobs. So definitely not spending 2 months trying to find it at Cerebes just to fail the book anyways.

Is there something that drops or gives them in LHC?
Will chaos give free books for Arans as well?
Or just is there any future updates that'll ease the pain of getting OS20?

As far as I know, post-Chaos, all mastery books dropped will be secret mastery books, which I imagine would make it easier.
(I don't know about the demand of the books, but it's still going to be easier )

As far as I know, post-Chaos, all mastery books dropped will be secret mastery books, which I imagine would make it easier.
(I don't know about the demand of the books, but it's still going to be easier )

Oh dam, no wonder I saw PB dropping secret m.books in this SS. Can't wait it then.

because a 1 in a 2xx chance of getting a book from secret mastery book is DEF an improvement on what the current rate is, right? >_>

Not to mention the drop rate for secret mastery books is most likely the same as finding the book in the first place.

kill krexel 2 times a day f3, if world tour mobs drop it

I bet money that when they implement this, they will take out all mastery books and forget to put in secret mastery books. Watch we assume there just rare as hell and this issue goes unoticed for a couple of weeks >_>

because a 1 in a 2xx chance of getting a book from secret mastery book is DEF an improvement on what the current rate is, right? >_>

Not to mention the drop rate for secret mastery books is most likely the same as finding the book in the first place.

Considering you won't NEED to kill HT/PB to find a MW30, I think it's a huge improvement.

Considering you won't NEED to kill PB to find a MW30, I think it's a huge improvement.

So an increase to finding one skill book that really isnt essential to a skill build until after core skills are maxed but making the core mastery books harder to find is an improvement? Seems more of a detriment. More so since MW is a party skill, i just need to party with a person who has it.

So an increase to finding one skill book that really isnt essential to a skill build until after core skills are maxed but making the core mastery books harder to find is an improvement? Seems more of a detriment. More so since MW is a party skill, i just need to party with a person who has it.

If it makes finding DS20/Assassinate 20 easier, I'm all for it.