You hand over the 4 parts of the tome.
"Excellent ... now stay a while and listen..."
You gain a new skill 'Skillful+', which when combined with 'Skillful' gives you a maximum of 5 extra skill points into each of your advanced skills.
You also gain 5 million xp and 50 Advanced Skill Points.
Kill Soul Drifter to get Tome of Knowledge A
*Kill Cursed Macaw to get Tome of Knowledge B
*Kill Dark Lord to get Tome of Knowledge C
*Kill Black Dragon to get Tome of Knowledge D
*Start quest Cursed Lands
*Give Tomes
*Gain Skill Skillful+
*Turn in quest