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The name is an intentional reference to the Vizier card from the Deck of Many Things: a card that grants a single truthful answer and practical insight when asked.
An ode to the Vizier card: every generation is an answer.
The site offers clear, practical information paired with context or guidance for implementation.
With each question, you reach into the vault of tools to grab an answer and then return that now known answer back to the vault for safe-keeping.
Every answer is stored for future reuse and/or reference.
Each tool in Vizier's Vault was created to solve a specific problem in D&D campaign preparation. While you can use them for other purposes, these are the main reasons each tool exists and how I envisioned they would be used.
Generate magic shops based on city population, wealth, and magic level.
I love to run roguelite D&D campaigns, where everything is randomly generated. This started just for basic magic items, but quickly expanded to everything that can be purchased in D&D 5e due to a player buying just a few too many spell components and completely wrecking the world. You remember this, don't you, Juno?
Create wizard spellbooks by selecting level, schools of magic, and probability settings.
One of my players was playing a wizard and was always asking about any spellbooks that they find when looting. They only started finding spellbooks once I made this generator. These are meant to be used as lootable items for wizards to find so they can learn even more spells!
Generate balanced encounters based on party composition, biome, and travel conditions.
A roguelite D&D campaign is not complete without random encounters of the combat, non-combat, and hazard variety! I love doing hexcrawls and random encounters in each hex or every hour of travel time because it's a wonderfully fun challenge for me to use the randomly rolled encounter, then improvise a way to connect it to the party's story or a PC's story in a coherent way. I LOVE improv GMing!
Manage party composition, balance, and progress tracking.
This is only here because I wanted to be able to generate balanced encounters and to track multiple parties on the same world.
Generate smaller hexcrawl regions, like islands, peninsulas, bays, inland areas, and coastal regions.
I wanted a focused tool for compact hexcrawls that sit between a single encounter map and a full world hexmap. This produces playable regions that are easy to drop into campaigns, adventure hooks, and quick sandbox setups for session-length exploration.
Create battle maps with geographical features, weather, and customizable grid settings.
I really enjoy making battle maps for bosses or mini-bosses and I love Czepeku, Animated Battle Maps, Crossland, Neutral Party, and Eightfold Paper maps, but I do not enjoy making wilderness battle maps meant to be used for random encounters that happened in some random middle of nowhere wilderness during a campaign. I made this generator to generate random encounter wilderness battle maps. They do not replace boss or mini-boss battle maps in my campaign and it was never built with that intention.
Generate complete hex worlds with weather simulation, fog of war, and party tracking.
When I started brainstorming for this after creating the above generators, I discovered HexRoll, which is an AMAZING tool. Go give it a try now, please. It's fabulous. While it is fabulous, it doesn't work exactly how I run my hexcrawls and has some missing features, so I'm building this to generate entire worlds, both 2D and 3D with party tracking, simulated weather, detailed edit options with stamps and brushes and automatic rolls minimizing the friction as much as possible for game masters. Note that HexRoll has wonderful options for solo hexcrawlers and I do not intend on supporting solo hexcrawlers at all in the future, so if you're interested in playing on your own in a random hexworld, go use HexRoll. It's superb!
Create star systems with multiple worlds, planets, and celestial bodies.
I haven't really thought much of this one other than it'd be super cool for those Spelljammer and sci-fi campaigns.
Generate entire galaxies with multiple star systems and cosmic structures.
I just think it'd be super cool to make this with an awesome map that has a sort of super zoom from the galaxy to the star system to the planet to the continent to the region to the battle map / city / town / etc. Oh and Spelljammer and sci-fi campaigns in something like that would be dope.
Transparency about how Vizier's Vault was built and our commitment to human creativity.
AI was used to help with the UI because I hate coding UI.
AI was not and will never be used for the art.
AI was not and will never be used for the algorithms because I love coding algorithms. Algorithms are my jam!