Conjure Magical Barricade

Conjures a magical barricade measuring up to 60ft. long. The barricade can assume any continuous shape, but it cannot close with itself. 

While touching the barricade, your allies have three-quartes cover against ranged attacks coming from the opposite side and they can go through it as though as it is not there. The barricade is consider difficult terrain for your enemies. The barricade cannot be destroy by damage and can only be removed with Dispel Magic or by your will.