Dragon hunter

The fierce warrior determined to slay mighty beasts for reputation. they aim for one day, being able to single handedly kill a dragon. Becoming the most fearsome warriors in all the land. This hunter would then take a prize of killing a monster, such as their head or absorb a special ability from it once its slain. After developing abilities from different monsters, they will become a monster themselves. Using the monster's power against ferocious dragons. 

Hunting experience

Starting at level 3, you will pick three types of monsters of your choice from the list ; aberration, beast, dragon, fiend, giant, monstrosity, ooze, undead. 

you then will have an advantage on attack rolls against the monsters you chose. 

Absorb

Starting at 7th level, When you have killed a monster, you have the option to take one ability from that monster's repertoire. Once you kill another monster, you have the option to take a new ability or keep the one you own. 

Starting at 9th level, you can absorb up to two monster abilities at once.

 

kill machine

Starting at 10th level, you now have advantage whenever you have the opportunity to attack a creature. with this, you can either take the advantage for a melee attack or take a chance for instant kill. With the chance, you roll one d20, on a 17-20, its instant kill. on 16 or less, you lose half your HP. This roll has no bonuses. 

Ultimate weapon

Starting at 15th level,  you may absorb a weapon with a monster ability to use. As an action,  you may use the monster ability and a melee attack with it for an extra 1d10 damage. Additionally, if you are fighting a dragon, you have another option to throw your weapon and the dragon must make a constitution saving throw. On a fail, it takes an extra 2d10 Piercing damage and is pushed back 10 feet, your monster ability also takes effect. on a success, the Dragon destroys the weapon. 

Dragon's power

Starting at 18 level, you now have the power to morph and  confront dragons. Being able to morph your skin into dragon scales with a +5 to AC and can take flight up to 30 feet. you are morphed for 2 rounds and get this ability back on a long rest. 

Additionally, at this level, you are now able to absorb an ability from a slain dragon. This can be an environment ability. You can absorb three monster abilities at once.