D&D 5e — Character Dossier
TEMPORAL RECORD — EYES ONLY

CASSIUS VEL

The Man Who Remembers Tomorrow

Artificer. Warlock. Time-fractured captain of the Coppernicus.
Patron of himself. Pawn of himself. The loop is the character.

Scroll
Class
Artificer / Warlock
[ Future Patron ]
Vessel
The Coppernicus
Solo Steampunk Starship
Previous Ship
The Nautilenne
Lost to a gambling debt
Patron Identity
Himself — 40 years forward
in a collapsing timeline
Aesthetic DNA
Jules Verne × Jack Sparrow
× The Wizard of Oz
Alignment
Chaotic Good
With excellent excuses

The Paradox That Is His Existence

PARADOX CLASS — SELF-REFERENTIAL
```

Cassius doesn't receive power from a god, a demon, or an ancient entity.

He receives it from a version of himself that should not exist yet.

His future self — scarred, brilliant, and desperate — reached backward through the fabric of time and grabbed his own younger hand. Not to warn him. Not to save him. But to force a single destined event to occur — because if it doesn't, the future self ceases to exist entirely.

This means Cassius is simultaneously the pawn and the patron. Every spell he casts was invented by a future him and transmitted back through the paradox gauntlet on his left hand. He is building toward becoming the very being that made him.

There is no outside origin. No divine author. He bootstrapped himself into magical existence through sheer will and a closed loop of time.

And at the end of every yellow-brick road across every world he visits — there is an Emerald City. And behind its curtain of light and smoke and impossibility, the wizard pulling levers is, inevitably, him.

```

How The Loop Began

He once captained the Nautilenne — a magnificent steampunk starship that tore through dimensional membranes like a needle through silk. Brass-hulled. Ether-powered. Beautiful. It was the only thing he had ever built that he was proud of without qualification.

Then he lost it. Not in battle. Not to a villain with better magic. He gambled it away in a port city that has since erased itself from every map — drunk on ether-wine and his own legend, convinced the dice would fall his way. They didn't. He watched the Nautilenne sail into another man's horizon, and something fundamental broke inside him.

What washed up in its place was a brass compass — ancient, impossible — pointing not North, but forward in time. A voice whispered through it: his own voice, worn and cracked with age, saying only: "Build the Coppernicus. There is somewhere you must be. Trust no one who tells you what it is."

He followed. World by world, across a dozen strange realities — some of which whisper of an Emerald City at the axis of the cosmos, a hidden architect who controls all things from behind a curtain of light — he gathered parts. Stolen clockwork from a defunct empire. Sorcery borrowed from a dead wizard's library. A navigation crystal that predicts weather three seconds before it happens. His own desperate ingenuity welded into every seam.

The Coppernicus is smaller than the Nautilenne. Uglier. It breaks down with a kind of consistent personality he has come to find almost endearing. But it is entirely his — rebuilt from nothing, proof that what is lost can be reconstructed from better materials.

Now he flies toward a destination his future self refuses to name. Armed with spells he technically hasn't invented yet. Chasing something that looks, from a distance, like an Emerald City — and might, up close, be a mirror.

```
```

Abilities & Attributes

Strength
10
+0
Dexterity
14
+2
Constitution
13
+1
Intelligence
18
+4
Wisdom
11
+0
Charisma
16
+3
```
Ingenuity
18
Arcane Power
16
Future Knowledge
15
Charisma / Bluff
17
Oz-World Lore
14
Self-Preservation
9
Trust in Others
7
```

The Artifacts He Carries

```
⬥ Legendary
The Coppernicus
A single-pilot steampunk starship of Cassius's own construction, assembled across a dozen realities from stolen and borrowed components. Brass-hulled, ether-fueled, riddled with personal modifications. The only home he has. Can slip between the membrane folds of time on a good day. Breaks down with remarkable consistency and a personality he's come to grudgingly respect.
MECHANIC: Once per long rest, the Coppernicus can execute a temporal slip — teleporting to any location visited within the past 24 hours. Roll a d6: on a 1, something breaks. It always works, but something always breaks.
⬥ Unique — Self-Made
The Paradox Gauntlet
Left-hand only. A brass-and-obsidian gauntlet that channels transmissions from his future self into usable arcane energy. The conduit through which his warlock powers flow — not from a patron above or below, but from a him that is yet to be. Occasionally shows flashes of events that haven't happened yet. Always warm to the touch. Never wrong. Never clear.
MECHANIC: Once per day, Cassius can ask the GM a yes/no question about an event in the next hour. The GM answers truthfully. But the gauntlet doesn't specify context. "Yes" and "No" are all it offers.
⬥ Rare
The Anachronist's Coat
A long, weathered duster with an irrational number of pockets. Each pocket opens into a pocket-dimension created in a different time period. The left breast pocket smells of saltwater and a city that no longer exists. He occasionally forgets which era's supplies are where. He once pulled out a weapon he doesn't remember making yet.
MECHANIC: The coat has 8 extradimensional pockets. Each can hold up to 20 lbs. On a roll of 1 on any Investigation check involving the coat, the item retrieved is from an unexpected time period — GM discretion.
⬥ Uncommon — Origin Unknown
The Brass Compass
The object that started everything. Ancient, impossible, pointing not to magnetic north but to a direction that has no name — forward in time. It led him to the Coppernicus. It led him through a dozen worlds. It grows warmer as he approaches the destined event. He found it. His future self left it for him. He doesn't know when. He doesn't know why yet.
MECHANIC: The compass always points toward "where Cassius most needs to be." The GM interprets this. It is never wrong, but it has opinions about urgency.
⬥ Unique — Purpose Unknown
The Emerald Shard
A fragment of something vast and green — not gemstone, not glass, not any material with a name. It pulses with a light that has no frequency he can measure. It grows brighter as he travels toward certain worlds and dims toward others. He believes it's a navigational instrument. He suspects it's something more significant. His future self placed it in his path deliberately, and left no instructions.
MECHANIC: The shard pulses when the party is moving toward campaign-critical locations or events. The DM controls the pulse intensity. It cannot be destroyed by any means Cassius has yet discovered.
⬥ Rare — Self-Constructed
The Temporal Sextant
A navigation instrument of his own devising, built to triangulate position not just in space but in time. It can determine how far a location is from a major temporal disruption, how "stable" a timeline is, and whether Cassius has visited a given moment before — even if he doesn't remember it yet.
MECHANIC: As an action, Cassius can determine the temporal stability of his current location (stable / unstable / collapsing) and whether any time-altering magic has been used here within the past century.
```

The Emerald Thread

Across the multiverse, travelers speak of the Emerald Meridian
a city that exists at the intersection of all timelines,
visible only when you've lived enough lives.

They say its architect is a figure of immense and hidden power,
pulling levers behind a curtain of light and smoke and impossibility.

Cassius suspects the architect is him.

He has not yet decided if that is wonderful or terrifying.

```
The Past
Lost a magnificent ship. Found a compass that pointed forward. Began the loop.
The Present
Flying a smaller ship toward an unnamed destiny. Powered by his own future. Guided by an emerald shard.
The Future
Builds the Emerald City. Becomes the Architect. Sends a compass back. Closes the loop.
```

The Wizard of Oz is a fraud — a small man hiding behind machinery, pretending to be a god.
That's literally what his future self is doing to his present self.

He is Dorothy and the Wizard simultaneously.
Following a yellow-brick road that he himself paved.

Flaws, Bonds & Fears

```
Core Flaw
He Trusts Himself Over Everyone
He trusts his future self more than his present companions — and his future self hasn't earned that trust yet. He doesn't know if he becomes someone worth following. He presses forward anyway, treating everyone around him as secondary to the instructions of a man he hasn't become yet.
Core Bond
The Coppernicus Is Not Just a Ship
It is proof that what is lost can be rebuilt. It is the physical argument against the version of himself that gambled away the Nautilenne. Losing it again would not just leave him stranded — it would prove the worst version of himself right. He will do nearly anything to prevent that.
Hidden Fear
What If the Destined Event Is Terrible?
His future self sent him toward a fixed point in time without explaining what happens there. Just that it must. He has begun to wonder whether the thing he's destined to do is heroic, or merely necessary. Whether "must" and "should" are the same word. He has not stopped moving long enough to sit with the question.
Secret Motivation
Become Someone Worth Remembering
Not for glory. Not for history. He wants to become the man that his past self — the one who watched the Nautilenne sail away — would have looked up to. The man he could have been if he had never touched those dice. That's the real destination. The Emerald City is just the address.
Recurring Flaw
Magnificent Overconfidence
He is, genuinely, one of the most capable people in most rooms he enters. He knows this. He leverages it. And roughly once per adventure, it leads him somewhere he absolutely should not be, convinced that his intelligence and the gauntlet's future-knowledge will be enough. They usually are. Until they aren't.
Unexpected Bond
The People He Didn't Expect
He operates best alone. He prefers it. But his future self keeps placing people in his path — and they keep mattering before he notices they do. He suspects this is intentional. He suspects his future self knew exactly what he was doing. He finds this infuriating and, quietly, necessary.
```

Campaign Hooks & Roleplay Seeds

```
01
The Letter He Left Himself
Somewhere in the world is a sealed letter, hidden by his future self, addressed to him in his own handwriting. The compass points toward it occasionally. He hasn't found it yet. When he does, whatever it says changes everything. The DM writes the letter. It should be both necessary and devastating.
02
Someone Who Met His Future Self
An NPC has already encountered the older Cassius — the one who built the Emerald Meridian, the Architect. They describe him as formidable, distant, brilliant, and fundamentally changed. The present Cassius must decide whether to ask what changed. He may not want the answer.
03
A Second Compass Appears
An identical brass compass, pointing in a different direction. Either there are two timelines. Or his future self made a mistake. Or someone else is tampering with the loop. Any of these options is more dangerous than the last.
04
The Coppernicus Refuses to Move
The ship stops. Every instrument points in conflicting directions. The emerald shard goes dark. Something in the timeline ahead is wrong — either the destined event has already occurred, or something has prevented it. He has to go forward on foot, into a future his gauntlet can't read.
05
The Gambler Returns
The man he lost the Nautilenne to is still alive. Still flying it. And it's been modified — with technology Cassius recognizes as his own future designs. Either his future self sold him out, or the gambler has a Paradox Gauntlet of his own. Neither explanation makes sense yet.
06
The Curtain Lifts Early
The party reaches the Emerald Meridian before the campaign's intended endpoint. It is vast, impossible, and unmistakably built by Cassius's hands. At its center, behind a curtain of light, is a version of him that is older than he expected to ever get. The destined event is not what anyone thought.
```

The Opening Scene

The Coppernicus drifts down through the clouds like a brass leaf — slower than it should be, because something in the port engine is doing that thing again.

``` The man at the helm does not look alarmed. He looks like someone who has already had this argument with this engine at least forty times and has developed a working arrangement with its stubbornness. He adjusts three levers, ignores a fourth that has not worked since Tuesday — which Tuesday is a separate question — and brings the ship to rest in a landing that is technically controlled and practically miraculous.

He steps out wearing a coat with too many pockets, a left-hand gauntlet that hums faintly in a key he's never been able to identify, and the expression of a man who knows precisely where he is and only roughly why he's here.

In his right hand: a brass compass. The needle doesn't point north.
In his chest pocket: something that glows faintly green through the fabric.

He looks at the party with the particular attention of a man who has learned — too slowly, too expensively — that the people you don't expect to matter are always the ones who do.

"Cassius Vel," he says, by way of introduction. "Captain of the Coppernicus. Former captain of the Nautilenne, before a truly regrettable evening with a pair of dice. I've been told I'm supposed to be here — by the most reliable source I know, which is unfortunately also me."

He glances at the compass. The needle twitches, just slightly, toward each of them in turn.

"I suspect," he says, more to himself than to them, "that this is going to be one of those trips."

```