The TTRPG Failure XP System That Took Nine Months to Build

July 2025. The first design note for Sol Fracta‘s progression system was one sentence scrawled into a doc at 2am: “Take consideration that is when we fail that we learn more not when we win.”

Not elegant. But true. And it became the spine of everything.

The problem is that knowing something is true and building a mechanic around it are two completely different things. What followed was nine months of figuring out that gap.

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The first version was too clever.

The first version of the TTRPG failure XP system ran on what we called Failure Tokens. The circuit was clean on paper: fail a roll, pocket a token, spend them later at end of session for upgrades — three tokens for a stat boost, five for a new capacity, seven-to-ten for something deeper. Long campaign, you’d accumulate fifty-plus.

The logic held. The feel was off.

Two problems revealed themselves in play. First, the token economy sat completely separate from everything else at the table. You failed, you got a chip, you spent the chip later. The failure and the growth never touched. Transactional, not felt. Second, the progression endpoints looked too much like D&D class features — discrete unlocks on a menu. Which is fine for D&D. Sol Fracta was trying to be something else.

The whole system was doing too much work to prove its premise instead of just being its premise.

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What broke it open was a harder question.

We stopped asking “how do we reward failure?” and started asking: what actually changes in a person when they fail — and when does real growth look different from skill improvement?

Those are different things. Skills change through practice, repetition, the accumulation of attempts — most of them partial or failed. That’s learnable. That has a rhythm.

But who you are — your values, your wounds, the things you’ve decided matter — that doesn’t change through failure alone. It changes when you choose to be vulnerable. When you walk toward the hard thing because it’s yours, not because it’s smart.

Two separate phenomena. Two separate systems.

Two different questions. Two different answers.

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April 2026: four lanes, each running on its own clock.

Skills progress through failure. Every failed action roll earns a mark on an experience track — ten marks and you raise a skill or acquire a new one, no cap on total skills. The mechanic is almost invisible in play: the player who keeps throwing themselves into hard situations and missing progresses faster than the one who plays conservatively. No meta-gaming required. The behavior the system incentivizes is exactly the behavior you want at the table. There’s also a feedback loop built in — Sol Fracta’s dominant outcome isn’t clean success, it’s success with consequence. EV drains naturally, failures happen organically, and skills climb without anyone having to deliberately sabotage themselves. The whole machine breathes together.

The first idea was : Gain experience in the skill you used to fail. The inversed spirit of Call of Chtulhu where you check a skill when you succeed. But I think it complicates the accounting.

Essences progress through voluntary vulnerability. Each character has three background phrases — short, personal, non-mechanical identifiers. Things like “child of the stars,” or “a secured childhood,” or “freedom is the only law.” When a player chooses to make their character’s situation harder because of one of those phrases — taking a real cost (disadvantage, EV loss, political consequence) to act in alignment with who they are — they earn one EXP toward that Essence. One phrase per arc maximum. Collaborative validation at the table. The curve decelerates as Essences grow: going from 0 to 1 costs one EXP, going from 4 to 5 costs five. Getting there isn’t slow because the designer said so. It’s slow because becoming is slow.

I’ll be honest: this one took the most iteration to get right. Earlier versions tried to systematize it too tightly, creating checklists that killed the spontaneity. The version that works is the one where the GM can’t force it and the player can’t manufacture it. It has to come from a real moment at the table.

Gear progresses through craft — buildings, resources, blueprints. No loot drops. Your colony’s material capability grows because you built the infrastructure.

Specificities unlock only at generational change. When a Gen 1 character dies or retires, their successor can acquire a new Specificity — a deep trait, a cultural inheritance. Not an individual achievement. A legacy. This is the slowest clock in the game, by design.

The implicit timescale of the whole system: skills move in sessions. Essences move in arcs. Gear moves across cycles. Specificities move across generations. Play long enough and you feel all four lanes running simultaneously, each at its own pace.

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The distinction that crystallized everything:

Skill = what I know how to do. It grows through practice and failure. Essence = who I am. It changes only when I’m truly shaken.

Most TTRPGs collapse those two things into a single track called “getting better.” Sol Fracta keeps them separate because they are separate in actual human experience. You can be technically excellent and never truly tested. You can be someone deeply formed by what they’ve been through who still fumbles the practical execution.

The progression system is, in the end, a statement about what the game thinks is worth tracking. Failure teaches you craft. Vulnerability teaches you who you are. Infrastructure teaches you what your community can do. And legacy — the thing you leave behind — that’s not yours to keep. It passes.

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The question I keep coming back to: the Essence system asks players to be emotionally honest at the table, to make choices that cost something real because their character wouldn’t do otherwise. Some groups will find that liberating. Some will find it uncomfortable. I don’t think there’s a design fix for that.

But here’s what I’m curious about: does rewarding voluntary vulnerability actually change how you play — or does it just create pressure to perform vulnerability rather than experience it?

Have you played a TTRPG failure XP system — did it actually change how you approach risk at the table?