Oath of the Thalassic Abyss

The Oath of the Thalassic Abyss is taken by those who seek to unleash calamity upon the world with the crushing strength of the deep. Whether these people have been wronged by those around them, or just simply wish to sow destruction; these paladins, known as Abyss Knights, pledge their loyalty to those that lurk in underwater chasms. Few and far between, the Abyss Knights show no quarter as they carve a path of destruction upon the surface.

Tenets of the Thalassic Abyss

While their goal is destruction, the Abyss Knights do abide by two rules issued upon them by the ones they call master.

Force of Nature: You are catastrophe incarnate, and as such you will carve a path of destruction wherever you go.

Cold of the Abyss: The world is cold and unforgiving, and as such you will also be cold and unforgiving. Show no mercy.

Channel Divinity

When you take this oath at 3rd level, you gain the following two Channel Divinity options.

• Razing Smite. Immediately after you deal damage to a creature with your Divine Smite, you use your Channel Divinity to level creatures and structures alike.  As a bonus action, you force a number of creatures equal to your proficiency bonus that you can see within range to make a Strength saving throw. On a failed save, the target is knocked prone and has their movement speed reduced by 10 feet until the end of your next turn. In addition, every structure within range takes double the damage you dealt with your Divin Smite.

• Frostbite. You use your Channel Divinity to infuse your weapon with the numbing cold of the abyss. As an action, choose a weapon that you are holding to infuse. For the next minute, whenever you deal damage with that weapon, you deal an extra 1d6 cold damage to the target. When you reach 15th level in this class, you deal an extra 2d6 damage instead.

Oath Spells

You gain oath spells at the paladin levels listed.

Oath of the Thalassic Abyss Spells

Ravaging Aura

Starting at 7th level, you emit a dreadful aura as you revel in the sight of destruction. The aura extends 10 feet from you in every direction. 

If a creature is stuck within difficult terrain, its speed is reduced by three fourths instead of half while in the aura and must succeed on a Strength or Dexterity saving throw (their choice) or get knocked prone.

When you reach 18th level in this class, the range of the aura increases to 20 feet.

Walking Devastation

Beginning at 15th level, you are well versed in the ways of ruination. You now deal double damage to objects and structures and ignore difficult terrain.

Servant of Desolation

At 20th level, you become ruin incarnate. As an action, you call upon the power of the abyss and transform, gaining the following benefits for the next minute.

• Your size increases by one.
• You have resistance to bludgeoning, piercing, and slashing damage from both magical and non-magical sources.
• Whenever you cast a spell that turns the ground into difficult terrain, you can make one weapon attack as a bonus action.

Once you use this feature, you can't use it again until you finish a long rest.