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Returning 28 results for 'thessalhydra'.
Monsters
Multiattack. The thessalhydra makes one maw attack and one Flurry of Bites.
Flurry of Bites. Melee Weapon Attack: +7;{"diceNotation":"1d20+7","rollType":"to hit","rollAction":"Flurry of Bites"} to
choice). Until this grapple ends, the thessalhydra can't use its tail pincer.
Acid Saliva (Recharge 5-6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Acid Saliva"}. The thessalhydra
Compendium
- Sources->Infernal Machine Rebuild
Thessalhydra The thessalhydra is a strange and terrible creature with eight heads surrounding a large, circular mouth rimmed with jagged teeth. Its maw drips with acid, and its tail ends with a pair
of sharp pincers. The thessalhydra is gluttonous and damaging to any environment. Thessalhydra
Huge monstrosity, unaligned
Armor Class 14 (natural armor)
Hit Points 69 (6d12 + 30)
Speed 30 ft
Compendium
- Sources->Stranger Things
Lair of the Thessalhydra When the characters step out of an oversized flower (like the one they stepped into in the Upside Down), they are back in the Material Plane — home. In fact, they are pretty
close to Sir Tristan’s castle (they can see the towers above the tree line). Prints in the dirt make it clear that the thessalhydra has come this way often, and the tracks lead into a nearby cave
Magic Items
You have a +1 bonus to attack and damage rolls made with this magic weapon.
This greatsword is made of an unknown black metal. In most cases, it works as a +1 greatsword. But when used against a thessalhydra, it works as a +3 greatsword. While in the Upside Down, it works as a +4 greatsword.
Monsters
of life, resulting in such creatures as the thessalhydra and the owlbear. In recent years, he has also researched the prolonging of life—namely his own. Thessalar hopes that by becoming a lich
Compendium
- Sources->Stranger Things
Rumors on the Road As the characters search for the thessalhydra, they meet other people along the way. Give them a few short roleplaying encounters. Some NPCs have useful info, and others are just
tasted better before the thessalhydra arrived. That’s why he’s sure the monster’s lair is in the apple orchards to the north. A traveling priest says that often lesser monsters worship bigger ones. There
Compendium
- Sources->Stranger Things
his people and a good friend to the characters. They can trust him. Sir Tristan says that lately a monster called a thessalhydra appears out of nowhere and attacks local farms, villages, and even
Tristan’s castle. All his soldiers together could barely fight it off. After each attack, the thessalhydra disappears into the woods and leaves no trail. Tristan can’t send his guards after the monster
Compendium
- Sources->Stranger Things
The Whole Story The characters have been summoned by Sir Tristan, the ruler of a small domain in a lonely stretch of mountains. A terrible monster called a thessalhydra has been attacking his realm
the characters to get rid of this menace. The thessalhydra was last seen going into caverns belonging to an unfriendly tribe of troglodytes. The characters must enter the caverns and deal with the
Compendium
- Sources->Stranger Things
Everything you need to embark on a Stranger Things adventure! Mike Wheeler from Hawkins, Indiana, has created an awesome Dungeons & Dragons adventure...and now you get to play it!
View Cover Art
Hunt for the Thessalhydra A D&D Campaign by Mike Wheeler
Compendium
- Sources->Stranger Things
violently (anyone standing next to the flower must succeed on a DC 12 Dexterity save or be knocked prone), creating a cross-planar gate. Stepping through leads to area 1 of the lair of the thessalhydra.
Compendium
- Sources->Stranger Things
stay out of her way, for their own safety. Simply to keep them away, she tells them how to find the thessalhydra. The thessalhydra uses the Upside Down as a way to return to its lair without being
worlds if you perform a certain ritual. A key component of this ritual is blood from a monstrosity (a type of creature). The thessalhydra is a monstrosity, so it can use its own blood to open a gateway
Compendium
- Sources->Stranger Things
enter shows signs of damage, like a powerful beast has rampaged through here. The group can easily tell that this damage was done by the thessalhydra. Treasure. They find the remains of an ancient
. Climbing out of the pit is easy to do. Troglodytes. Four troglodytes, members of the tribe from the caverns who ran into the labyrinth to escape the thessalhydra, have been trapped here for two weeks
Compendium
- Sources->Stranger Things
Conclusion If the characters kill the thessalhydra, they have successfully completed this adventure. When they chop off the creature’s heads and bring them back to Sir Tristan, he will welcome them
Compendium
- Sources->Stranger Things
, lurking just out of sight in the darkness. They find tracks made by the thessalhydra, but also tracks made by other monsters. But the tracks are impossible to follow. The tracks come and go. Sometimes they
Compendium
- Sources->Stranger Things
Wisdom (Survival) check reveals that the cave’s mouth has recently been visited by about 25 troglodytes, the thessalhydra, and an owlbear. Area 2: Empty Cave. Nothing of interest here. The floor
him, all the trogs attack and fight to the death. If the group politely asks about the thessalhydra, he’ll say that it comes in from the woods, passes through the caves, and enters the Cursed
Compendium
- Sources->Stranger Things
. But when used against a thessalhydra, it works as a +3 greatsword. While in the Upside Down, it works as a +4 greatsword.
Compendium
- Sources->Infernal Machine Rebuild
thessalhydra and another creation of Moghadam’s known as the thessalheart construct. Thessalhydra When the characters first enter the temple, roll a d4. On a 1–2, the temple’s guardian thessalhydra is
patrolling the laboratory section (areas 1 to 23). On a 3–4, it patrols the temple section (areas 24 to 39). There are no fixed mechanics for encounters with the thessalhydra, but feel free to have
Compendium
- Sources->Stranger Things
demiplane. The thessalhydra has found a way to push through it to a place called the Upside Down. The Lost Knight shows the characters how that is done, but warns that this is a one-way passage — they’ll have to find a different way home.
Compendium
- Sources->Infernal Machine Rebuild
the thessalhydra and many other grotesque monsters, including the owlbear. The characters must navigate the perils of both locations, manipulate time, and manage untrustworthy agents to return with as
monsters—including the thessalhydra, which appeared in the first edition AD&D Monster Manual II and 2019’s Stranger Things Starter Set.
As for the centerpiece of the adventure, the artifact known as the
Compendium
- Sources->Stranger Things
The Cursed Labyrinth It seems like a normal maze with twisting, turning hallways that intersect, but there is no solution to this maze. Its path is completely random, and if you turn around to retrace
Compendium
- Sources->Stranger Things
Further Adventures Perhaps the best reward of all is that the characters each gain a level. Use the information in the Basic Rules or Player's Handbook to make them 4th level. They will then be ready
Compendium
- Sources->Stranger Things
Pregenerated Characters There are five pre-generated characters available for this adventure that can be downloaded. Click on the links below: Human Paladin (Oath of Devotion) Half-Orc Ranger (Hunter
Compendium
- Sources->Infernal Machine Rebuild
ranks before eventually taking over the temple as a working laboratory. Most of his experiments have involved the pursuit of new forms of life, resulting in such creatures as the thessalhydra and the
Compendium
- Sources->Infernal Machine Rebuild
his name (including the thessalhydra), as well as unnatural beasts such as the owlbear that would one day spread across the world. Several of the missing components of the Infernal Machine of Lum the
Compendium
- Sources->Stranger Things
Winter’s Dark Bite in the Upside Down The sword that the characters might have received from Sir Tristan, Winter’s Dark Bite, is made of metal mined from the Upside Down, so it gets even stronger when
Compendium
- Sources->Stranger Things
Notes to Myself (as Dungeon Master) We should be able to finish this story in one night (maybe a long weekend if Dustin really gets caught up in the roleplaying), but don’t rush it. As long as
Compendium
- Sources->Stranger Things
The Upside Down The Upside Down is a kind of alternate dimension — an echo of the Material Plane (where we all live). That means in some ways it’s very similar to our world, but in others it’s
Compendium
- Sources->Stranger Things
Demogorgon A demogorgon is a monstrosity the size and shape of an adult human, but its mouth fills its face and opens like a blooming flower. One currently lives in the Upside Down, and no one knows