AD&D

Priest spellLevel 3

Glyph of Warding

School
Abjuration, Evocation
Sphere
Guardian
Range
Touch
Components
V / S / M
Duration
Until discharged
Casting time
Special
Area of effect
Special
Special
Source
PHB

Flavor

The priest inscribes a hidden holy glyph that unleashes divine energy on any unauthorized creature that touches or crosses it.

Mechanics

Inscribes an invisible glyph on a surface/object within touch (area scales with ); when an unauthorized creature touches/crosses it, the glyph discharges a chosen effect — energy (e.g., ~2 HP/level of fire, cold, electricity, etc.) or a spell-like effect — with a . The priest sets who may pass safely. Permanent until triggered/dispelled. : incense and powdered diamond (~$$).