Paladin soldier from the underworld.

Your soul was born in the underworld made to collect souls or to absorb them and take is power as your own. witch ever way you go with it you will get great power but the only problem is, is that witch one give the most power.

Soul taker.

Soul taker is actually a magic idem technically but its a sword given to you by the devil him self Lucifer.He has trusted this weopen to you to take your enemy's soul but if you decide not to take the souls to the underworld and just absorb them Lucifer (AKA the DM) will rain down 2 or 3 strong demons to take the sword back and kill you and if it happens enough times Lucifer will come out of the underworld him self and you must fight him and don't worry about how strong he is depending on how many souls you absorb he should be losing power. meaning he should be easy to kill after killing him your the king of the underworld.

Melee weapon

You don't really have to have the soul taker be a sword it can be any magical melee weapon and even long range.

Ranged weapon.

There are many different soul taker weapons and this gives you the ability to use a ranged weapon.

Demon sense.

From within 45ft you can sense your enemy's or allies and because of that you have the ability  to sneak up on the enemy and you can one hit KO an enemy (if DM allows) but you have to be careful one bad roll and you can be cot.So you better have a high boost on intelligence.

Lucky shot

If you have a long range weapon or if you can throw something You can one hit KO angel looking or angel wit a single hit  (if your DM has allowed)

Becoming king

After becoming king when you reach 20th level, you can increase two ability score of your choice by 3, or you can increase three ability scores of your choice by 2. As normal, you can’t increase an ability score above 20 using this feature.

Using the optional feats rule, you can forgo taking this feature to take a feat of your choice instead.