BETA: Dual Dagger Mastery can be learned by Fortune Seekers, thanks Battlecruiser for report.

L2J_DataPack_BETA/data/skillTrees/forgottenSkillTree.xml

@@ -420,6 +420,7 @@
 		<skill skillName="Archers Will" skillIdLvl="759,1" getLevel="81" learnedByFS="true" />
 		<skill skillName="Expose Weak Point" skillIdLvl="767,1" getLevel="81" learnedByFS="true" />
 		<skill skillName="Final Secret" skillIdLvl="917,1" getLevel="81" learnedByFS="true" />
+		<skill skillName="Dual Dagger Mastery" skillIdLvl="923,1" getLevel="81" learnedByFS="true" />
 		<skill skillName="Protection of Rune" skillIdLvl="755,1" getLevel="82" learnedByFS="true" />
 		<skill skillName="Protection of Elemental" skillIdLvl="756,1" getLevel="82" learnedByFS="true" />
 		<skill skillName="Protection of Alignment" skillIdLvl="757,1" getLevel="82" learnedByFS="true" />

L2J_DataPack_BETA/data/stats/skills/02600-02699.xml

@@ -628,7 +628,7 @@
 				<not>
 					<player active_skill_id="923" />
 				</not>
-				<player class_id_restriction="93, 101, 108" />
+				<player class_id_restriction="93, 101, 108, 117" />
 				<player level="81" />
 			</and>
 		</cond>