What is the Simplest way to root Droid Turbo Xt1254

Used kingroot but it didn't work. Suggest me another easy and less risky method to root my phone.
Its running on marshmallow

Sent from my XT1254 using Tapatalk

from DroidForums.net | Android Forums & News http://ift.tt/2hHoiRj
via IFTTT