User blog comment:G0LD3NF1RE/Skyrim Dawnguard DLC/@comment-174.114.71.116-20120506142229

guys those are arrows on his back not bolts. that doesnt mean that they dont represent the addition of crossbows in the game however. many typess of crossbows in history have fireed arrows instead of bolts so they could still be ammunition for the crossbow.