Blood Culler

Fighters of this Martial Archetype use their innate blood lust to savage their foes.

Blooded Strike

Beginning at level 3, you awaken to your innate blood lust. You may use your bonus action to focus on a part of a creature that will cause the most viscera. 
While Focused you may take an action to do a Blooded Strike with a melee weapon.

On a hit, your Blooded Strike does damage equal
to 1d12 + your Strength modifier.
At level 5 you now add your Proficiency bonus to your
 Blooded Strike damage, and your damage dice is now 2d12. At
level 11 your damage dice increase to 3d12, at level 15 to
4d12, and at level 20 to 5d12.
Additionally at level 5, your  Blooded Strike score a critical
hit on a 19-20. This ability improves at level 11 to 18-20, and
at level 20 to 17-20.

Savage Tracking

At 7th level you can spend a bonus action to tell if a creature has more or less max hp than you. Alternatively you can tell what percentage of its max hp a creature has. You can also tell the general well being of a creature by its tracks.

Feed the Beast

Beginning at 10th level you are able to consume the leftover blood and flesh from your weapon. As a reaction you are able to heal half the damage dealt by your Blooded Strike. You can use this feature twice per long rest

Feast upon Flesh

At 15th level you now regain uses of Feed the Beast on short rest instead of a long rest

Gorge Thyself

At 18th level, when you roll for initiative and have no uses of Feed the Beast remaining, you regain one use.