Covenant of Vengeance

Channel Divinity: Lingering Rebuke

1st-Level Invoker (Covenant of Vengeance) Feature

As a reaction when you are dealt damage, you curse all creatures of your choice within 30 feet of you. Each target makes a Wisdom saving throw. For 1 minute, any creature that failed takes 1d6 + your spellcasting modifier radiant damage any time they deal damage to or miss you or an ally within 30 of you with an attack.

Warrior of the Heavens

1st-Level Invoker (Covenant of Vengeance) Feature

Also at 1st level, you gain an additional hit point, and gain another any time you gain a level in this class. In addition, you gain proficiency with martial melee weapons.

Enduring Castigation

6th-Level Invoker (Covenant of Vengeance) Feature

While you have more than half your hit points, each creature of your choice within 30 feet of you takes a -2 penalty to saving throws. If that saving throw is against ongoing damage, it is a -3 instead.

Penance

8th-Level Invoker (Covenant of Vengeance) Feature

Any time you score a critical hit with a melee weapon attack or a spell attack, the target is stunned until the end of your next turn.

Warding Thunder

17th-Level Invoker (Covenant of Vengeance) Feature

You have the booming power of the God Hammer surrounding you. Whenever a creature hits you with an attack from within 30 feet of you, you can use a reaction to force that creature to make a Dexterity saving throw. On a failure, the target takes 2d8 thunder damage and is stunned until the beginning of its next turn.