You can deliver blows that shatter bone and liquefy internal organs.

Prerequisites: Improved Vital Strike, Mythic Vital Strike, Vital Strike, base attack bonus +11, 5th mythic tier.

Benefit(s): Whenever you use Vital Strike, Improved Vital Strike, or Greater Vital Strike, multiply all damage (even damage from sources that wouldn't normally be multiplied on a critical hit) by the number of weapon damage dice you roll for that feat.