Back to the journal

Game Design

LitRPG Power Scaling: Linear vs. Exponential Growth

Konner MoshierPublished May 19, 2026Updated Sep 10, 20262 min read

One of the hardest early LitRPG decisions is choosing what a level means. A growth curve affects the stakes in every later fight: how far a level separates two characters, whether gear can matter, and whether readers can still recognize a meaningful change.

Linear Growth

Linear growth adds a fixed amount per level.

With a base of 100 HP: HP = 100 + (Level * 10)

  • Level 1: 110 HP
  • Level 50: 600 HP

Pros: Easy for readers to do mental math. Combat stays grounded.

Watch for: A fixed increase can make late tiers feel too similar unless skills, equipment, or encounter design introduce their own turning points.

Exponential Growth

Exponential growth multiplies per level.

With a base of 100 HP: HP = 100 * (1.1 ^ Level)

  • Level 1: 110 HP
  • Level 50: 11,739 HP

Pros: Larger gaps can make a tier change feel substantial. Whether a high-level character can ignore an attack still depends on damage and defense rules.

Watch for: Numbers can become difficult to compare. If every level compounds, test the values well past the end of the first book.

Pick the curve that serves the story

Start by writing down three checkpoints: the opening chapter, the first major tier change, and the end of the arc. Calculate a value at each point. If the middle number does not feel distinct from the start, or the ending number is hard to explain in a scene, adjust the formula before your prose depends on it.

To see a curve before you commit to it, plot it. The free XP Curve Visualizer draws XP per level for linear, exponential, D&D-style, and cultivation curves, or for a formula you write yourself, with a table you can copy. The Character Progression Planner takes the milestones you chose and flags spikes, flat stretches, and backwards moves. Both run in your browser.

Hybrid systems are common too: steady base-stat growth with larger skill unlocks or equipment thresholds. The important part is that you can explain why a change happens and keep the same rule across the book.

Check the curve against real scenes in WriteIDE

You don't have to guess. WriteIDE lets you define derived stats with your own formulas, like HP = VIT * 10 + Level * 5, and uses those formulas to calculate the values you inspect at a scene.

Sketch the curve before Chapter 1, then revisit it when an arc changes direction. WriteIDE's Power Curve lets you inspect a character's recorded progression across the story, so you can spot a sudden jump or flat stretch and reread the scenes that caused it. Pair that check with a continuity review of downstream stat blocks before publishing.

Notes worth sending

Release notes when a version ships, plus Lab notes and guides. No weekly filler.