[.......]

{Bring Dark Knight Skill orbs to him and he can train your skill up a level! EX: Wide Slash + Wide Slash Orb = Wide Slash Lv.2}

In all honesty, no one knows anything about Galibrand, besides that he is an excellent user of darkness and fighting for the rebellion, despite speaking little to no words. However, the dark knights of the rebellion say that he does speak, but any non-Dark Knight adventurer wouldn't believe them.

One known fact about him is that there's a symbol on his cape that is recognizable. It is a symbol of Vengeance, a legacy of dark knights that bring judgement to the wicked and still remain a mystery to even today