Gaping Maw Shield : r/UnearthedArcana

Essential NPCs: The Expert and The Noble : r/UnearthedArcana

The Incarnate v1.3 - A whole host of tweaks : r/UnearthedArcana

Unearthed Arcana

Dungeon Magazine 204

Gaping Maw Shield : r/TheRudoksTavern

laserllama's Vessel Class (v2.1.0) Update! - Channel the Transformative Power of the Otherworldy Spirit Bound to your Soul with this New Half-Pact Caster! Choose from Six Sealed Spirits: The Ascended, The Cataclysm

Races of Dungeons and Dragons

laserllama's Vessel Class (v2.1.0) Update! - Channel the Transformative Power of the Otherworldy Spirit Bound to your Soul with this New Half-Pact Caster! Choose from Six Sealed Spirits: The Ascended, The Cataclysm

Shielded Awesome Shield-Focused Subclasses Followed by New Magical Shields. : r/UnearthedArcana

Libris Mortis 5e

D&D General - Monster ENCyclopedia: Kraken

The Guardian Class v1.0 - Be the ultimate shield for your allies with this new martial class : r/UnearthedArcana

Essential NPCs: The Expert and The Noble : r/UnearthedArcana