When you cast Bound Bow facing the enemies, it increases your Conjuration skill.

Arbalest is a Stamina Nightblade Bow Gank Build, perfect for open world gameplay in Cyrodiil and the Imperial City. I alsao roll with 2 companions so I Play on the second highest difficulty.

The skills you want to focus on are Archery, Alchemy, Enchanting, One handed, Sneak and Smithing. The Build is focusing on striking hard and fast when the enemy least expects it to get the kill.