PokéSurvivor regional banners use rarity weights of 45%, 30%, 17%, 6.5% and 1.5%. A ten-pull guarantees at least rarity 4 on its final slot if the first nine did not produce one, and a banner-specific pity guarantees rarity 5 at 70.
Gacha probability calculator
Enter future pulls and your current banner pity. Each regional banner tracks its own pity.
Rules the calculator uses
- Five-star base chance: 1.5% per ordinary pull.
- Shiny chance: 1 in 100 when the selected Pokémon has a shiny sprite.
- Pity is stored separately for each of nine regional banners and resets on a rarity-5 result.
- Ten-pull protection affects the last slot if no rarity-4-or-5 result appeared earlier.
- A repeated shiny is replaced by a missing shiny of the same rarity when one exists; otherwise the result becomes normal.
The summary reports simple base chances plus whether the entered pull window reaches hard pity. It does not simulate a specific banner pool or promise a particular Pokémon.
Sources & snapshot scope
Reference reviewed 2026-10-17. Mechanics and data were checked against the named source snapshot. Source inspection is separate from gameplay testing. 5bbc3b2.