You can turn undead as an action. Each undead that can see or hear you within 30 feet must make a Wisdom saving throw, and a turned undead must spend its turns fleeing and cannot take reactions. The effect lasts for 1 minute or until it takes damage.

Marta touches a creature at 0 hit points, causing it to regain 1 hit point and stabilizing it. The spell is cast as a bonus action for her because of Circle of Mortality.

You gain proficiency with heavy armor. You also gain the Circle of Mortality feature, which maximizes healing dice when you cast a spell to restore hit points to a creature at 0 hit points, and allows you to cast Spare the Dying as a bonus action with a range of 30 feet. Eyes of the Grave lets you sense the presence of undead within 60 feet once per long rest, subject to the feature's restrictions.

Marta marks a foe with a deathly weakness. The next attack that hits the cursed target before the end of her next turn deals double damage through vulnerability.

Marta raises her white shield and calls a brief blessing over her allies, improving their attacks and saving throws.

Marta sends a pulse of restorative power to an ally at range, especially effective when the ally is unconscious.

Marta summons a floating spectral weapon shaped like a short mountain hammer, which strikes nearby enemies with radiant force.

You can cast cleric spells using Wisdom as your spellcasting ability. You can use a holy symbol as a spellcasting focus and prepare a number of cleric spells equal to your Wisdom modifier plus your cleric level.

You gain the Grave Domain. Your domain spells are always prepared and do not count against the number of cleric spells you can prepare.

You can use Channel Divinity once between rests. You can use it to invoke Path to the Grave, which curse a creature within 30 feet, granting the next attack that hits it vulnerability to all of that attack's damage until the end of your next turn.

When you use Turn Undead, an undead that fails its saving throw is instantly destroyed if its challenge rating is 1/2 or lower.

You gain an Ability Score Improvement. Wisdom increases by 2, raising it to 18.

You have discovered a unique and powerful insight during your secluded life. The precise nature of this revelation is known only to you, though it may shape your purpose in the wider world.