Veil of Blades is a skill located in the Shadow (which can be found in the Nightblade skill tree). Veil of Blades is an ultimate. Veil of Blades is a morph of Consuming Darkness.
Veil of Blades deals the following types of damage: Magic Damage. Which means that it gets buffed by the following blue champion point trees: Blessed, Elemental Expert, Elf Born, Master at Arms, Quick Recovery, Spell Erosion. Also the following red champion point trees protect against this skill: Elemental Defender, Iron Clad.