Community model · Update 0.5

Trait Reroll Expectation & Simulator

This model combines geometric probability with a truncated hard-pity distribution when a pity value is available.

Reported values

At least one

9.52%

Expected rolls

777.0

Pity distance

1500

50% point

693

90% point

1500

Formula: before pity, CDF = 1 − (1 − p)n; with a hard pity, success is capped at the pity count. Expected rolls use the truncated geometric sum. Rates and pity are community-reported, not developer-published.

Roll simulator

Spent: 0 · Session pity: 0

The simulator is local-only. It cannot read your Roblox inventory or server-side pity state.

Reroll log

Run a simulation to populate the log.

InfoContent Information

Research owner:RobloxCalc Team
Reviewed by:RobloxCalc Research Team
Evidence level:Evidence-bounded review
Evidence checked:2026-07-23
Content edited:Not separately recorded
Verified for:Anime Expeditions release-window model
Expertise:Probability framing and interactive simulation design.

Quality Assurance: Rates and pity values are displayed as a community model supplied for planning; they are not presented as official developer-published formulas.

Review the evidence and correction methodology

This is an unofficial fan-made guide. We are not affiliated with Roblox Corporation or the game developers. All game names, logos, and properties are trademarks of their respective owners.

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