Advanced Dual-Wielding I is a level 1 passive skill in AION Classic 1.9. The Scout learns it at level 5.

Learned by

Class	Faction	Character level	Skill level
Scout	Both factions	5	1
Gladiator	Both factions	20	1

Taught by

Item	Skill level
Advanced Dual-Wielding I/II	1
Advanced Dual-Wielding I/II	1
Advanced Dual-Wielding IGladiator, Lv 20
Advanced Dual-Wielding IScout, Lv 5