The general skill sets have undergone very significant changes. From reconfiguration to MultiProf. U can learn at lvl 24 skill...

Skill changes in Castles & Fortress : Fortress : All Forts give next skills with stats. Skill Change Description Residence Body Increase...

Clan skills for Lineage 2 High Five Multiproff X Multi. There u can learn about changes in skills for clans.

Sub-skills changes on Lineage 2 High Five X-Multi