Talk:Exalted Blade/@comment-98.19.74.27-20160217135638/@comment-37.120.69.88-20160218043103

yes it benefits from exc's passiv abilitie.

wiki quote:

Swordsmanship
Excalibur has improved mastery in the Tenno art of the blade, receiving +10% attack speed and +10% damage when dealing melee attacks (including via Exalted Blade) while wielding the following weapons: Bonuses are additive to mods such as Pressure Point and Fury.
 * Longswords, such as the Skana.
 * Dual swords, such as the Dual Skana.
 * Nikanas, such as the Dragon Nikana.
 * Rapiers, such as the Destreza.