You seek to protect before threats even appear

Precision: You must keep your mind and skills sharp at all times. Cast judgement only on the wicked.

Protection: You seek to defend the defenseless and stop the enemy before they get close enough to hurt anyone

Surety: Cast judgement only on the wicked and know at what you aim.

Readiness:  You always stand firm and hold the line.

Order of the Arrow Spells

3rd-level Order of the Arrow feature

You gain oath spells at the paladin levels listed in the Order of the Arrow table. See the Sacred Oath class feature for how oath spells work.

Order of the Arrow Spells

Paladin Level	Spells
3rd	Faerie Fire, Hunter's Mark
5th	Acid Arrow, See Invisibility
9th	Conjure Barrage, Flame Arrows
13th	Arcane Eye, Fire Shield
17th	Conjure Volley, Passwall

Channel Divinity

3rd-level Order of the Arrow feature

You gain the following Channel Divinity options. See the Sacred Oath class feature for how Channel Divinity works.

Protector's Bow. You can use your Channel Divinity to imbue your bow with sacred magic. When you take the attack action, and expend one use of Channel Divinity to to gain the following benefits for 1 minute or until you are no longer holding your imbued weapon Your Fletched Smite feature now applies to the chosen ranged weapon for the duration and enemies within 5ft. of you do not impose disadvantage. Additionally, you use magic pieces of energy as ammunition. This does not expend any of your own ammunition and it counts as magical for the purposes of overcoming resistance. These ammunition pieces dissipate after 1 minute.

Piercing Gaze.  You can use your Channel Divinity to peer true. As a bonus action you can gain advantage on Perception and Insight checks for the next 10 minutes.

Aura of Vigilance

7th-level Order of the Arrow feature

You  emit an aura of alertness while you aren’t incapacitated. You and your allies cannot be surprised and when you and any creatures of your choice within 10 feet of you roll initiative, you all gain a bonus to initiative equal to your proficiency bonus.

At 18th level, the range of this aura increases to 30 feet.

Righteous Reprisal

15th-level Order of the Arrow feature

You take offense to anyone that would dare to threaten or harm someone under your protection. While you have your Protector's Bow Active, when an enemy attacks an ally within 30ft of you, you can use your reaction to make a ranged attack with your Protector's Bow. On a successful hit, until end of your next turn, any creature attacking the ally you defended does so at disadvantage.

Resolute Bow

20th-level Order of the Arrow feature

You unleash the long arm of the Law. As a bonus action, you gain the following benefits for 1 minute:

• You gain truesight with a range of 120 feet.
• You have advantage on ranged attacks even at long range
• You ignore 1/2 and 3/4 quarters cover when making attacks
• Bows of Brotherhood: As an action you launch 24 arrows onto the battlefield within 300ft. Those projectiles return attacking the nearest enemy as they return. An enemy targeted by an arrow must make a Dex save against your spell DC taking 1D8 magical piercing damage on a failed save. 

Once you use this bonus action, you can’t use it again until you finish a long rest, unless you expend a 5th-level spell slot to use it again.