Sacred:Dual Wielding
Enables the wielding of two one-handed weapons during combat
and increases attack speed and chance to hit as long as you
are wielding two weapons.
If you have two weapons equipped, the Sword Lore and Axe Lore
bonuses will not apply, even if one of those weapons is a
sword/axe. However, Blade Combat bonuses will apply as long
as the right-hand weapon is a blade.

Sacred:Axe Lore
Axe Lore increases the chance to hit and attack speed of
attacks made with axes. Additionally, certain axes carry a
minimum Axe Lore requirement in order to be wielded.
If you have two weapons equipped thanks to the Dual Wielding
skill, the bonus of Axe Lore will not apply, even if one or
both of these weapons are axes.

Sacred:Sword Lore
Sword Lore increases the chance to hit and attack speed of
attacks made with swords. Additionally, certain swords carry
a minimum Sword Lore requirement in order to be wielded.
If you have two weapons equipped thanks to the Dual Wielding
skill, the bonus of Sword Lore will not apply, even if one or
both of these weapons are swords.

Sacred:Blade Combat
Increases the attack speed and chance to hit of attacks
executed with blades. Additionally, certain blades carry a
minimum Blade Combat requirement in order to be wielded.
If you have two weapons equipped thanks to the Dual Wielding
skill, the bonus of Blade Combat will only apply if there is
a blade in the right hand. It will not apply if you have a
non-blade weapon in a right hand and a blade in a left hand.