I just found this on the Web, it appears to be straight forward and gives you multiple options to root.
How to ROOT your Android phone or tablet. Droid rooting.
Posted with my HTC Droid DNA using the NuSenseONE MAX ROM 5.5/4.4.2 via Android Central App
How to ROOT your Android phone or tablet. Droid rooting.
Posted with my HTC Droid DNA using the NuSenseONE MAX ROM 5.5/4.4.2 via Android Central App