Medium
Undead
CR 3
Neutral Evil
Cantorem
Lullaby Phylactery
Cantorem is an unsettling fusion of archivist and banshee: a gaunt figure draped in moth-eaten choir robes, its throat a hollow throat-socket from which a silent lullaby seems to leak into a room long after it has left. The true horror is the song itself — a phrase of notes folded into memory that hides a fragment of the lich's soul. Anyone who studies or copies Cantorem's melody risks binding a part of their own life to the tune, making them a living map to the phylactery.
Armour
13
natural armor
Hit points
78
12d8+24
Speed
30ft
Challenge
3
700 XP
STR
14
+2
DEX
12
+1
CON
14
+2
INT
16
+3
WIS
12
+1
CHA
10
+0
Saving throws
INT +5, WIS +3
Skills
Arcana +5, Stealth +3
Resistances
cold; bludgeoning, piercing, and slashing from nonmagical attacks
Damage immunities
poison
Condition immunities
poisoned, exhaustion
Senses
darkvision 60 ft., passive Perception 11
Languages
Common, Understands the lullaby's melody (cannot speak while singing it)
Multiattack. The creature makes two Withering Touch attacks.
Withering Touch. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 11 (2d8+2) necrotic damage, and the target must succeed on a DC 13 Constitution saving throw or have its speed reduced by 10 feet until the end of its next turn as lingering chill creeps through its bones.
Haunting Lullaby (Recharge 5-6). Cantorem intones a few bars of its hidden lullaby. Each creature of Cantorem's choice that can hear it within 30 feet and that fails a DC 13 Wisdom saving throw falls into a trancelike stupor for 1 minute. While entranced by the lullaby, a creature is incapacitated and may not take actions; it hums the melody unconsciously and any creature that listens to it for at least 1 minute learns the tune (see Lullaby Phylactery trait). The target can repeat the saving throw at the end of each of its turns, ending the effect on a success. A creature that is immune to being charmed is immune to this effect.
Once a scholar of funerary rites in the moon-shadowed halls of the Umbral Canticle, Cantorem sought immortality by reversing the rites that comforted the dying. Rather than hide its phylactery in a jeweled box, it encoded the soul-anchoring sigil inside a short lullaby: a melody of intervals and breaths that, when learned, stores a spectral filament keyed to Cantorem's unlife. Over decades the song passed between servants, scribes, and children as an innocuous chant; the lich's true phylactery migrated in memory rather than matter. Cantorem lairs where quiet gathers — abandoned orphanages, silent chapels, and the rear galleries of old theatres. It feeds on attention and the hush people give it: those who hum its lullaby while tired or distracted can begin to dream of Cantorem's face and find themselves compelled to teach that lullaby to others. The Order of Quietus, a secretive group of archivists and necromantic librarians, keeps a partial transcription and warns scholars away, while the aging antiquarian Galren Thesm wrote the first public treatise on song-phylacteries after losing his apprentice to the melody's binding. Cantorem fears flame and groups of loud, dissonant voices; a raucous tavern can force it from a hiding place, and a well-led chorus can unravel a line of its song.
Cantorem stands roughly human-height but with too-long arms and a neck like a hollow bell. Its skull is visible beneath shorn hair; the jaw hangs slack, teeth white as peeled bone. Robes that were once choir vestments hang in layers: satin cracked to powder, embroidered sigils now ragged. Where a throat should be there is a narrow, smooth cavity rimmed with fine, membranous filaments that quiver when it 'sings' — these filaments are the visible echo of the lodged phylactery. Fingers end in thin, ink-stained nails used to write the lullaby on surfaces; parchment under its touch blackens slightly. Its eyes are pale pools that reflect sheet music instead of light. Scale reference: roughly 6 ft. tall standing beside a wooden chapel doorframe, the figure's robes cascade to the floor, and the trailing hems are often damp with ancient incense and dust.
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