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Boost Stone materials

Pick the type and the Pokémon’s current Boost. You’ll see which Boost Stone it needs, how many Fragments it usually takes and which drops can be in the recipe.

Type

Boost Stone

Enhanced Fire Stone

Starting chance

20%

Stones per +1, on average

3.0

Fragments

130–300

average 217

Always asks for

  • Fire Fragment
  • Fire Stone

Can ask for (the recipe uses 3)

  • Magma Shell
  • Blaze Tail
  • Magma Foot
  • Fire Wing
  • Dark Canine Horns
  • Fox Tail
  • Giant Piece of Fur

The recipe changes at every server save: the Workshop picks which of these drops it asks for, and how many. Within one server save, all 10 Boost Stones of a type ask for the same materials; only the amounts go up.

Fire Boost Stones

Fire Boost Stones
Boost StoneBoostStarting chanceFragments (min–max)Average
Novice Fire Stone+0 to +450%10–3020
Elemental Fire Stone+5 to +940%20–6044
Common Fire Stone+10 to +1430%55–150105
Enhanced Fire Stone+15 to +1920%130–300217
Potent Fire Stone+20 to +2418%280–500391
Advanced Fire Stone+25 to +2915%452–1,000732
Fortified Fire Stone+30 to +3412%801–1,5001,160
Supreme Fire Stone+35 to +3910%1,202–2,4971,861
Celestial Fire Stone+40 to +448%2,303–3,0002,672
Mystic Fire Stone+45 to +495%2,800–3,2083,021

How it works

Every 5 points of Boost have their own stone. Each failure adds 10% to the next attempt’s chance, which resets once you succeed: with an Enhanced (20%) you use about 3.0 stones per +1 on average.