Dungeon:
- Entrance: A large stone door blocks the entrance to the ruin. The door is inscribed with strange runes, and appears to be magically sealed.
- The runes are written in Abysal. DC 12 Religion check: “Beware all who enter here, for the darkness within is great. Heed this warning, lest you become my prey.”
- Inside is Alec, bleeding out.
- Foyer: The room is filled with dust and cobwebs, and a number of strange artifacts can be seen scattered around the room.
- Filled with various wet and bloodied humanoid skeletons. DC 14 Medicine check will reveal that some skeletons are as old as several years whereas the newest ones are from a couple of days ago.
- Library: The walls of this room are lined with bookshelves and ancient tomes. The books are written in a language that none of the adventurers can understand.
- A strange book is perched atop a pedestal in the center of the room. It radiates a faint magical aura and appears to have been sealed by a powerful enchantment. DC 15 Arcana check: The book is a collection of strange, eldritch rituals that the Half-Angel, Half-Demon has been using to attempt to restore its lost humanity.
- Hallway: A long hallway leads deeper into the ruin, and several doors can be seen along the walls.
- The walls of the hallway are lined with strange symbols and ancient writing. DC 15 History check: The symbols and writing is of a long-forgotten cult devoted to a primordial being of chaos and darkness.
- Room of Traps: This room is filled with a variety of traps, ranging from darts to burning flames.
- Various tools and materials can be found scattered around the room. DC 16 Investigation check: The tools and materials appear to have been used to construct the various traps.
- Boss Room: This room contains a large, magical construct that guards the entrance to the next room.
- Treasure Room: This room contains a large cache of treasure, including gold, gems, weapons, and magical items.
Outside the Entrance, crying on a tree is Arthur.
name: Half-Demon, Half-Angel
size: Medium
type: fiend
subtype: celestial
alignment: chaotic evil
ac: 14
hp: 39
hit_dice: 6d8
speed: 30 ft., fly 60 ft.
stats: [18, 14, 16, 10, 13, 14]
saves:
- strength: 8
- dexterity: 5
- constitution: 6
- intelligence: 2
- wisdom: 3
- charisma: 4
skillsaves:
- perception: 7
- stealth: 5
senses: darkvision 60 ft., passive Perception 17
languages: Common, Abyssal
damage_resistances: necrotic, radiant
damage_immunities: acid, cold, fire, lightning, thunder
condition_immunities: charmed, frightened
cr: 3
spells:
traits:
- name: Magic Resistance
desc: "The Half-Demon, Half-Angel has advantage on saving throws against spells and other magical effects."
- name: Innate Spellcasting
desc: "The Half-Demon, Half-Angel's spellcasting ability is Charisma (spell save DC 12, +4 to hit with spell attacks). It can innately cast the following spells, requiring no material components:
- At will: darkness, fear
- 1/day each: confusion, dominate person"
actions:
- name: Multiattack
desc: "The Half-Demon, Half-Angel can make three attacks: one with its bite and two with its claws."
- name: Bite
desc: "Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 9 (1d10 + 4) piercing damage."
- name: Claw
desc: "Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 7 (1d8 + 4) slashing damage."
legendary_actions:
- name: Detect
desc: "The Half-Demon, Half-Angel makes a Wisdom (Perception) check."
- name: Tail Attack
desc: "The Half-Demon, Half-Angel makes a tail attack."
- name: Wing Attack (Costs 2 Actions),
desc: "The Half-Demon, Half-Angel beats its wings. Each creature within 15 ft. of the Half-Demon, Half-Angel must succeed on a DC 14 Dexterity saving throw or take 7 (2d6) bludgeoning damage and be knocked prone. The Half-Demon, Half-Angel can then fly up to half its flying speed."