The relic weapon quest is OBSCENELY boring...
It is the most grindy, tedious, monotonous, bland thing I have seen in any MMO I have ever played, and I've played Lineage 1.
It's one thing to do a lot of stuff that's either fun or at LEAST challenging.
It's entirely another to give us a checklist of random, boring, unchallenging crap and tell us to hop to it...
The book phase is literally, "You know all that content you JUST did to level up? Yeah, go do it again, only this time with no reward for doing so..."