
507 posts
Oh Gods, My Players Would Use The Spell Burst Ability For Any And All Concentration Spells
Oh gods, my players would use the Spell Burst ability for any and all concentration spells

LOOK! I know what you're thinking, and yes, this thing is ridiculous. Give to your players at your own RISK! But the Twitch Chat wanted a Book Bomb, so they got a Book Bomb.
Spellbook Bomb
Wondrous Item, legendary (requires attunement)
“A unique spellbook that absorbs spells cast into it. The arcane runes and gems on the front cover glow and pulse as more power is transferred into its pages. When at full capacity, it’s a deadly magic item regardless of the hands that hold it.”
This magic spellbook can store up to 12 levels worth of spells at a time. Any creature can cast a spell into the spellbook by touching it as the spell is cast. The spell has no effect, other than to be stored in the spellbook. If the spellbook can't hold the spell, the spell is expended without effect. The level of the slot used to cast the spell determines how much space it uses.
Book Bomb. As an action you can throw this spellbook into a space you can see within 30 feet and speak the command word. Any creature within 20 feet of the book must make a Dexterity saving throw or take 2d6 damage per level of spells stored in the book, or half as much on a success. You can choose the damage type from one of the spells stored in the spellbook. This does not destroy the spellbook. The spellbook is emptied of all spell levels following this action and you cannot store spells in it for 24 hours.
Spell Burst. When detonating the spellbook you can instead choose to unleash all of the spells stored inside at the same time. Any creature within range of a spell is subject to the effects. A spell with a single target is determined at random, so long as all other prerequisites of the spell are met. Touch spells affect a random creature within 20 feet of the spellbook. The spell uses the slot level, spell save DC, spell attack bonus, and spellcasting ability of the original caster, but is otherwise treated as if you cast the spell. Spells that require concentration, do not, lasting their full duration. The spells cast from the book are done so in a random order, and are no longer stored in it. After using this action, roll a d20, on a result of 1-5, the book is destroyed. Otherwise you cannot store spells within it for 7 days.
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More Posts from Decafnerd



Campaign Starter: Tales from the Bonecart
Whether it's due to superstition or a distaste for a toilsome and muddy trade, folk tend to pay little attention to gravediggers. This makes for an awfully convenient cover for your travelling troupe of tombrobbers as they tour around the realm's backroads filling their pockets with mementos purloined from the dead.
Planning adventures for "evil" campaigns can be tough, but sometimes you and your players just want an excuse to get your hands dirty. What better opportunity to get DEEP down in the dirt than to hand out shovels and have them start out as a group of travelling undertakers/thieves?
Setup: A handful of crews have run the bonecart scam over the past several generations, tempering their skullduggerous actions with a bit of honest gravemaking. This dichotomy is no better represented in the current heads of the operation: Dour and hardworking Heliana, who minds the cart's reigns and keeps the crew on track, and the knavish academic Benjamin Eelpot who loves delving into things that should best stay buried. These two have taken the party on for a series of jobs that will likely require a cold heart and a strong stomach, stealing from both the living and the dead and hoping not to get caught in the meantime.
Adventure Hooks:
The party's first outing on the bonecart should be a meat-and-potatoes sort of job, used to set the tone of the campaign, which happens to sound like "Someone old and rich and lonely has died, leaving their house haunted and their valuables unguarded".
While being stewards of the dead is a great cover, it sometimes attracts the wrong sort of attention, such as when a nobleman offers the party a great reward to investigate an abandoned necropolis and the source of the terrifying dreams that haunt him. Gold is gold though, and surely this couldn't have too many long reaching complications for them.
Irony of ironies, Shortly after one of their scores the party is setupon by a group of bandits disguised as dead men, who manage to make off with a good portion of their illgotten gain. There's no way to recover their goods through official channels, so they'll have to do it themselves.
Throughout their early adventures the party will need to avoid the attention of the heavy handed sheriff hired by the local nobility to quietly and brutally dispose of criminals like themselves.
You get a lot of weird jobs being a gravedigger, but "limo service" is not usually one of them. Still, money is money, and when a bloodsoaked countess offers to pay the bonecart well to defend and transport her coffin across the lands so she can attend a gathering of the great and the ghoulish who are they to say no?
Heliana will eventually approach the party once they've gotten enough shared time , experience, and nightmarish close calls under their belts. She's got some personal matters to attend to, which involve a list of names belonging to an old secret society and a series of graves across the countryside that may contain clues to the locations of some great treasure. Its a bolder job then the crew usually pulls, and will draw unwanted attention, but they can rely on eachother to pull through, right?
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I accidentally spent 80 hours painting my own take on a Mimic. Please take a look.
Can see higher res here

The Metalsmith’s Workshop Battle Map
Our new map is now available for download! The home, forge, and store of a renowned smith. Tell me, what might this place be called?
Download it here!
Hey Dapper! As an avid follower of- and equally avid inspiration-taker from your work, first of all, thank you for the work you've put into all this. It is a treasure-trove of knowledge and inspiration that has certainly made me very happy. Can I ask for your thoughts on Tharizdun? I've been trying to form a concept of it for in my own world, but I've had little success.

Monsters Reimagined: Tharizdun, the Whisperer in Darkness
Being the default "god of madness" Tharizdun brings together two of my enduring gripes with d&d: gods that no one would actually worship and the enduring legacy of depicting people with mental illness as dangerous lunatics devoid of empathy and reason.
As he currently exists in the DM's toolbox, the whole point of including Tharizdun in your campaign is to act as the powersource behind whichever final fantasy style endboss wants to start the apocalypse before unleashing a mass of offband lovecraftian tentacles. Derivative, trite, his singular desire to inspire others to end the world is MCU levels of failing to give villains proper motivations.
We can do better
TLDR: Far In the wildest depths of the astral sea the ur-god Tharizdun is formless and thoughtless, yet dreaming. Resembling nothing so much as a cosmic nebula of oily clouds, a vast and shapeless expanse of churning primordial chaos that pulses with synapses of psychic lighting containing a consciousness older than time itself. Like a sleeper beset with sleep paralysis the chained oblivion thrashes against a reality it can only barely perceive, sending shockwaves of destruction across the cosmos.
While scholars of all worlds debate the true origins and nature of Tharizdun they can agree on two things:
It is more powerful than all the pantheons of creation, and it is terrified.
Inspiration: I wasn't originally going to do a whole monsters reimagined on Tharizdun, instead simply gesturing on what Matt Mercer has done with the deity (using the roiling chaos as a throughline for much of his Exandrian worldbuilding) and leaving it at that.
Around the same time I got this ask though I was considering doing my own take on Azathoth, the so called "blind idiot god" of the lovecraft mythos, inspiration struck and I decided to alloy the two concepts into what I think is a stronger whole. There's a lot of overlap in the two formless horrors, partly due to Tharizdun being a d&d's attempt to dip its toe into eldritch horror, without quite understanding the thematic framework involved.
Like many other things ( Minorities, the sea, decay, air conditioning) Lovecraft was terrified of objective reality. This might sound like a joke, but fundamental to his mythos is the fear that earth and the white men that lived upon it were not the centre of the universe created by a loving god. Lovecraft lived in increasingly scientific times and the science supported the idea of a universe in which humanity's existence was the meaningless product of random chance. Azathoth was this anxiety embodied in its most extreme scale: the capital G god of the universe which sat in the middle of all creation that was not only uncaring towards humanity (as many of Lovecraft's creations were) but the embodiment of ultimate unthinking chaos.
Trying to port Azathoth (and most of the other lovecrafitan pantheon) doesn't work because the conceits of the genre fundamentally clash. D&D DOES propose a moral universe, and goes out of its way to simplify morality down to such a cartoonish level that it has objective answers. In Lovecraft the horror comes from the fact that the cultists and their fucked up alien gods exist, where as the moral christian god doesn't... in d&d there's no reason for the cultists to worship the fucked up alien gods because the regular gods are both existent and quite nice.
The default d&d cosmology has multiple infinite voids of chaos including limbo, the abyss, and the far realm. I've already given my take on one of these, but I wanted an alternative for the origins of the weird that wasn't specifically focused on entropic decay.
There's a fascinating (and very depressing) history over the term hysteria and the connotations of mental crisis with feminine fragility. The word itself comes from the greek word for womb and there's something about the idea of "primal birthing chaos" that's worth playing with insofar as it makes weird rightoids Jordan Peterson deeply afraid.
Taking these thoughts as well as my earlier gripes in mind, its going to take a bit of an overhaul to make Tharizdun/Azathoth as a credible antagonistic force for a campaign. Also, this might be my own bias as an author showing through here but I don't go in for the lovecrafitan "truths too terrible to be understood". I think the universe is a fundamentally knowable place and if things exist outside our means of perceiving them then we'll just bullrush through and work out a temporary explanation on our way.
Here's my Fix/Pitch: Both Tharizdun and Azathoth are supposed to represent primordial chaos and formless madness. D&D's less than stellar history with mental health issues aside, we know that "madness" isn't evil and it isn't the antithetical opposite of order: It's flawed reason, it's an inability to comprehend, and it's deeply scary for those going through it.
THAT ended up reminding me of a famous quote from lovecraft himself; "The oldest and strongest emotion of mankind is fear, and the oldest and strongest kind of fear is fear of the unknown".
What if we make THAT FEAR into the god? Imagine the panicked sensation of being woken from the deepest slumber by a sudden noise, the door opening or a loud bang going off somewhere on your street..... the phantom horror of something touching you, crawling over you in the middle of the night before you have any of your senses or reason or memory to tell you that it's just your partner or your pet or your own bed sheets. That's the stuff sleep paralysis is made of and it's been haunting us humans since the dawn of time. It's also the same horror of being born, of being a non-thing and then coming into existence in fits and starts without any understanding of the world that you're now
Now imagine there's something out there in the astral sea, the plane of dreams and thoughts... powerful beyond all imagining but created without the ability to ever fully wake up. It is stuck in that first moment of existence because it may well have been the first thing to ever exist and it's been trapped in the shapeless nightmare of an infant since the dawn of time
THAT is how you make a god about the horror of the unknown. A god that is antagonistic to us because it is sacred of us, and it is scared because it has no way of knowing us, knowing the reality it inhabits beyond its own fear.
Adventure Hooks:
The greatest threat Tharizdun presents to most beings in the universe is having a nightmare about them. Through the inexplicable paths of sleep an individual's mind may find themselves connected to the entity's own... receiving terrible visions as the thinking clouds of Tharizdun's body churn in a variable brainstorm. Some aspect of this communion will be twisted into something terrible, birthed into the cosmos with the same shrieking fear and confusion that inspired its creation. Some desperate few seek out this communion, thinking in their hubris that they can give shape to Tharizdun's creation, that the terror beyond time suffers collaborators or requests. (Yes, I'm yoinking the dream-spawning ability of beholders. They were already weird enough before they started getting involved with dream stuff)
Despite being a living entity, Tharizdun is also a place, a plane unto itself streaking through the multiverse like a collossal ameoba through the primordial soup. There are landscapes within the god, whole continents that form and erode through seasons of surreality as the paroxyc titan dreams them into being. One can create portals into these landscapes, even fly a jammership across them, but the act of doing so invites an even more chaotic backlash than visiting the chained oblivion in dreams, letting its terror leak out into the waking worlds.
The name "chained oblivion" dates back to an eon when forces of celestial order attempted to keep Tharizdun contained in the hopes of preventing the escape of its creations or its contact with other minds. This period of the multiverse oft refereed to as the "Time of Quiet" sadly came to an end when the entity's bindings were shattered by a collective of villains and horrors today refereed to as the "Court of Fools" or "Troupe of the Final Void". The Troupe are a motley bunch, unable to agree on a theology but all wanting to pick at the slumbering titan like it was a scab on the skin of heaven. Some serenade Tharzidun with cacophonous music, others hurl saints and sacrifices into its body, some worship or hunt the god's offspring while others stab it with cosmic pokers, just to get a reaction. They want to wake the chained oblivion and don't care how much of the multiverse they have to burn to do it.
Like a mollusc producing pearls as a means of containing an irritating bit of grit, Tharizdun's roiling cosmic body will occasionally spit out an entire world or strange demiplanes as a means of dislodging something it could not pallet. While this has been the genesis of many realms both beautiful and terrible throughout the astral timeline, of late all these worlds worth taking have been colonized by the Troupe. Woe and pity to any mortal who calls such a world home, ruled over by tyrants who care only for destruction, unaware of a cosmos not coloured by Tharizdun's wake.
Titles: The chained oblivion, the spiraling titan, sire of stars, the Paroxsmal god, Lord of all Hysterics.
Signs: Stormclouds that look oily and churn with otherworldly light, formless nightmares and pervasive sleep paralysis, mass delusion, darkness that echoes with the god's muttering and the sound of distant flutes.
Worshippers: Ad hoc worship of Tharizdun tends to congregate around those who have received unwanted visions of the chained oblivion, as the harrowing experiance often bestows those that suffer it with an otherworldy weight to their words, to say nothing of occasional psychic powers. Many abberations likewise pay heed to the chained oblivion, either for directly giving them life or for its great and insuppressable power. Among these include Grell who refer to Tharizdun as "storm mother", The nightmarish Quori follow in the wake of the god's psychic emanations and make up a large faction of the court of fools, and the Kaorti, terrifying mage-things remade by exposure to the spiralling titan's heart who claim to be heralds for the entity.
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