Crown & Misery Fighting Styles
These Fighting Style Feature are homebrew.
Gallian Swordplay
Fighting Style Feat (Prerequisite: Fighting Style Feature)
While wielding a Finesse weapon and no other weapon, you gain a +2 bonus to your attack rolls with the weapon and +1 to your AC.
You only gain these benefits so long you are not wearing Heavy Armour or wielding Shield.
Heavy Weapon Fighting
Fighting Style Feat (Prerequisite: Fighting Style Feature)
When you make an attack with a Heavy Cold Weapon as part of your Attack action and the total damage roll from your weapon is 5 or lower, you treat it as 6
Lightweight Fighting
Fighting Style Feat (Prerequisite: Fighting Style Feature)
While you are wielding only Light weapons, and nothing else, your Speed increases by 10 feet. You also gain a +1 bonus to damage rolls with Light weapons.
You only gain these benefits so long as you are not wearing Medium or Heavy armor, or wielding a Shield
Martial Adept
Fighting Style Feat (Prerequisite: Fighting Style Feature)
You have studied combat techniques that allow you to perform Combat Manoeuvre.
Combat Manoeuvre
You learn two Manoeuvre of your choice from among those available to the Battle Master. If a manoeuvre forces a saving throw, the DC equals to 8 plus your Proficiency Bonus and Strength or Dexterity modifier (your choice). Each time you gain a level you can replace a Manoeuvre you know with another Manoeuvre of your choice.
Three Superiority Die
You gain three d4 Superiority Die. This die is used to fuel your manoeuvres. A Superiority Die is expended when you use it. You regain your expended Superiority Dice when you finish a Short Rest or Long Rest.
If you already have a pool of Superiority Dice, these dice are added to that pool. Their size matches the largest die in your pool, increasing to match if you have a feature that improves your Superiority Dice.
Polearm Fighting
Fighting Style Feat (Prerequisite: Fighting Style Feature)
You gain a +1 bonus to damage rolls with Quarterstaves, Spears, War Scythes, and weapons that has the Heavy and Reach properties. While wielding one of these weapons, creatures provoke an Opportunity Attack from you when they enter or move within your reach with that weapon.
Moreover, Quarterstaves, Spears, and War Scythes gains the Reach property when wielded with two hands.
Sniper
Fighting Style Feat (Prerequisite: Fighting Style Feature)
You gain a +1 bonus to attack rolls with Ranged weapons, and your attacks with it ignore Half Cover and treat Three-Quarters Cover as Half Cover.
Moreover, having the Prone condition doesn't impose Disadvantage on your Ranged attacks with Arbalest, Crossbows, and Firearms.
Standard Bearer
Fighting Style Feat (Prerequisite: Fighting Style Feature)
When a creature within 10 feet of you makes an attack against a creature that you can see, you can take a Reaction to grant it Advantage on its attack roll. You must be carrying a banner, flag, holy symbol, or standard in your hand.
Strongbow
Fighting Style Feat (Prerequisite: Fighting Style Feature)
You can use your Strength modifier, in place of Dexterity, for attack rolls, damage rolls, and to meet the Heavy weapon property requirement with Compound Bows, Longbows, and Shortbows. You also gain a +1 to damage rolls with those weapons.
Versatile Fighting
Fighting Style Feat (Prerequisite: Fighting Style Feature)
While wielding a single weapon with the Versatile property and no Shield, you gain a +1 bonus to your attack roll and damage roll with that weapon. While doing so, you can take one of the following actions as a Bonus Action: Unarmed Strike (Grapple or Shove only), or Utilise action.