Harrowed Bastion

A rift between realms and the chaos that lies within demand boundaries and territory.
Utilize a number of abilities to bind and subdue enemies whilst granting Blessings to yourself and your group to turn the tide of any battle.

Level 3: Nexus of Realm & Void

The overflowing and bleeding energies of the Realms and the Voids between them suffuse you in the form of Defensive and Arcane blessings:
The Dexterity Modifier for your Armor Class is doubled.
Once a day you can expend these energies to cast any Prepared/Known spell at its base level without consuming the relevant Spell Slot.

Condemn

Lock and bind up to 6 targets in range for 2 rounds of combat to their current location.
This ability prevents all form of movement and escape including but not limited to:
Planeshifting, Realm-Walking, Dimensional Movement, Divine Intervention, Teleportation, physical forces, magical forces, etcetera.

For every target Condemned grant yourself and allies within 15 feet of you 5 Temporary Hit Points.
This Blessing strengthens at levels 9 (10 THP/Condemned) & 15 (15 THP/Condemned)

Level 6: Penance

Lash yourself with an ethereal thurible to temporarily decrease your Armor Class by 3 points.
You can further decrease your Armor Class to strengthen the following effect:

For every point of Melee Weapon or Melee Spell damage dealt, heal all allies within 15 feet by the same value.
This effect lasts 2 rounds of combat and Armor Class returns to normal at the start of your 3rd turn.

Decreasing your Armor Class by 6 points doubles this effect.
Decreasing your Armor Class by 9 points triples this effect.

Proficiency Bonus determines number of uses a day.

Level 14: Warding Thurible

Swing an ethereal thurible to Bless self and allies within 15 feet for 5 rounds of combat,
All allies within this range gain a +5 to their Armor Class
and Advantage on Dexterity Saving Throws for this duration.

Martial Class Blessing: Gain an additional Action for 2 rounds of combat and 1 Reroll for an Attack Roll to hit.
If the Reroll isn't used by the end of Warding Thurible's duration it is lost.

Caster Class Blessing: Gain a Single Use Free Cast of a spell up to a 1/4 of your Harrowed Bastion level rounded down.
Spell component requirements except Casting Time are ignored for this Single Use Free Cast.

Level 18: Covenant

Redirect and nullify the damage you and allies within 15 feet would take into a pool for use on the following round of combat.
This total damage value is split up amongst yourself and all allies within 30 feet for their next Action.

If an ally is Stunned, Incapacitated, Unconscious, or Dead their damage portion is Lost, not redirected.