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Vyralyth the Obsidian Serpent

Vyralyth the Obsidian Serpent

Gargantuan Construct, True Neutral
HP 310 AC 19 CR 16

Vyralyth's protection of the relic is ancient magic tied to the land; destroying or removing the relic might awaken w...

Size
Gargantuan
Alignment
True Neutral
Armor Description
Natural Crystal Carapace
Condition Immunities
charmed, exhausted, frightened, poisoned
Creature Type
Construct
Current Hp
310
Damage Resistances
fire; bludgeoning, piercing, and slashing from nonmagical attacks
Damage Immunities
poison, psychic
Formatted Speed
40 ft., burrow 30 ft., climb 20 ft.
Formatted Saves
Str +12, Con +11, Wis +9
Formatted Senses
darkvision 120 ft. ft., tremorsense 60 ft. ft., passive Perception 22
Formatted Skills
Perception +12, Arcana +10
Hit Dice
23d20+115
Legendary Actions Count
3
Languages
Draconic, Terran
Proficiency Bonus
5
Xp
15000
Abilities
CHA
11
(+0)
CON
21
(+5)
DEX
12
(+1)
INT
14
(+2)
STR
27
(+8)
WIS
15
(+2)
Senses
Darkvision
120 ft.
Tremorsense
60 ft.
Passive Perception
22
Speed
WAL
40
CLI
20
BUR
30
Actions
Multiattack. Vyralyth makes two attacks: one with its crystal bite and one with its tail.
Crystal Bite. Melee Weapon Attack: +12 to hit, reach 20 ft., one target. Hit: 28 (4d10 + 6) piercing damage plus 14 (4d6) fire damage.
Tail Slam. Melee Weapon Attack: +12 to hit, reach 25 ft., one target. Hit: 24 (3d12 + 6) bludgeoning damage and the target must succeed on a DC 20 Strength saving throw or be knocked prone.
Legendary Actions
Detect. Vyralyth makes a Wisdom (Perception) check.
Tail Sweep (Costs 2 Actions). Vyralyth makes a tail slam attack against all creatures within 15 ft.
Crystalline Shield (Costs 3 Actions). Vyralyth gains a +5 bonus to AC until the start of its next turn.
Saving Throws
  • Str +12
  • Con +11
  • Wis +9
Skills
  • Perception +12
  • Arcana +10
Special Abilities
Volcanic Crystals. The serpent's crystal scales absorb heat and sunlight, granting it advantage on saving throws against fire and causing melee attackers to take 7 (2d6) fire damage on a hit.
Legendary Resistance (3/Day). If Vyralyth fails a saving throw, it can choose to succeed instead.
Description

A gargantuan serpent of black volcanic crystal coils through the fiery caves, its shimmering scales glowing faintly with molten veins, guarding an ancient relic deep beneath the Crown Highlands.

Hook

Vyralyth's protection of the relic is ancient magic tied to the land; destroying or removing the relic might awaken worse dangers.

Motivation

To protect the relic embedded beneath the volcanic caves from all who seek to claim its power, no matter the cost.

Personality

Silent and implacable, Vyralyth neither initiates conflict nor flees, embodying an unyielding sentinel bound by ancient duty.

GM Notes

- Immune to charm, poison, and psychic effects; highly resistant to fire.
- Uses legendary resistances to avoid magical control.
- Uses tremorsense to detect intruders even in total darkness or lava flows.

Created with Town Scryer for Dungeons & Dragons 5th Edition

by Skyler

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