The Skulls of Exethuun table describes the abilities common to all Skulls of Exethuun, as well as the abilities specific to each kind of skull:
| Skull | Description | Properties | Location |
| All | All require attunement to gain Undead Resilience and use the skull-specific Properties. Death's Door is automatically conferred to the wielder/carrier Borrowed Powercan be used without attunement | Undead Resilience: Resistance to necrotic damage Death's Door: Register as undead for abilities and spells, like Detect Evil and Good Borrowed Power: Crush the skull, consuming it immediately and losing all active effects. The next spell cast within 1 minute will not consume a spell slot, and will be cast at 9th level. | |
| Skull of Made Fortune | Skull made entirely of a deep green jade with a sapphire and a ruby in the eyes. | ||
| Skull of Pale Dominion | Skull made of white marble, with a pair of opals for eyes. | Pale Dominion: As an action, you can brandish this card and use it to cast Spirit of Death as a 6th-level spell (spell attack bonus +9, save DC 17). Once this property is used, it can't be used again until the next dawn. | |
| Skull of Sharpened Void | Skull made of obsidian with a pair of pearls for eyes. | Sharpened Void: As an action, you can brandish this card and use it to cast the Circle of Death spell (save DC 17). Once this property is used, it can't be used again until the next dawn. | |
| Skull of Putrefied Growth | Skull woven of deep brown, necrosed plant roots, with bright green bulbs for eyes. | ||
| Skull of Blackened Ash | Skull composed of packed, blackened ash that
constantly falls away but never runs out. | ||
| Skull of Found Introspection | Skull made entirely of glass with crystal balls swirling with smoke for eyes. | ||
| Skull of Fossilized Bone | Skull of bone that is preserved under a layer of ancient stone, with eyes of spiral fossils. | ||
| Perfected Skull of Hieronymous | Skull of polished bone with two small, dense motes of white light within the eye sockets. |