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treasure_probability_curves [2020/01/02 06:12] (current)
b0ardface created
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 +====== Treasure probability curves ======
 +
 +With weighted treasure randomizations (''​Tpro''​ and ''​Twildish''​),​ the contents of treasure chests and quest rewards are selected based on a weighted probability,​ which differs according to their location.
 +
 +When assigning a random reward item based on a curve:
 +  * The randomizer selects an item tier at random, based on the weighting.
 +  * A random item is then selected from the options within that tier. (See [[item stats tables]] for item tier information.)
 +
 +''​Tpro''​ uses the weights described on this page exactly. ''​Twildish''​ applies a transformation to the weights first in order to boost item quality, as follows:
 +  * new tier 1 weight = (old tier 1) * 6/7
 +  * new tier 2 weight = (old tier 1) * 1/7 + (old tier 2) * 5/7
 +  * new tier 3 weight = (old tier 2) * 2/7 + (old tier 3) * 4/7
 +  * new tier 4 weight = (old tier 3) * 3/7 + (old tier 4) * 3/7
 +  * new tier 5 weight = (old tier 4) * 4/7 + (old tier 5) * 2/7
 +  * new tier 6 weight = (old tier 5) * 5/7 + (old tier 6) * 1/7
 +  * new tier 7 weight = (old tier 6) * 6/7
 +
 +
 +
 +===== Untrapped chests =====
 +
 +Each untrapped chest receives its item based on the area where the chest is found.
 +
 +^ Area ^ Tier 1 ^ Tier 2 ^ Tier 3 ^ Tier 4 ^ Tier 5 ^ Tier 6 ^ Tier 7 ^
 +| Baron Town | 40 | 20 | 20 | 18 | 2 | 0 | 0 |
 +| Baron Town Weapon/​Armor Shop | 10 | 10 | 45 | 25 | 10 | 0 | 0 |
 +| Chocobo Forests | 10 | 20 | 30 | 20 | 18 | 2 | 0 |
 +| Mist Cave | 0 | 0 | 40 | 40 | 18 | 2 | 0 |
 +| Village Mist | 20 | 30 | 30 | 18 | 2 | 0 | 0 |
 +| Kaipo | 10 | 30 | 40 | 18 | 2 | 0 | 0 |
 +| Watery Pass | 10 | 20 | 30 | 25 | 13 | 2 | 0 |
 +| Waterfall/​Lake | 0 | 0 | 40 | 40 | 18 | 2 | 0 |
 +| Damcyan | 40 | 20 | 20 | 18 | 2 | 0 | 0 |
 +| Antlion Cave | 30 | 20 | 20 | 25 | 5 | 0 | 0 |
 +| Mount Hobs | 10 | 10 | 45 | 25 | 10 | 0 | 0 |
 +| Fabul | 20 | 30 | 30 | 18 | 2 | 0 | 0 |
 +| Mount Ordeals | 10 | 10 | 45 | 25 | 10 | 0 | 0 |
 +| Sewer | 10 | 10 | 45 | 25 | 10 | 0 | 0 |
 +| Baron Castle | 10 | 20 | 30 | 25 | 15 | 0 | 0 |
 +| Agart | 10 | 30 | 40 | 18 | 2 | 0 | 0 |
 +| Silvera | 10 | 30 | 40 | 18 | 2 | 0 | 0 |
 +| Toroia Town | 10 | 30 | 40 | 18 | 2 | 0 | 0 |
 +| Toroia Castle | 10 | 30 | 35 | 21 | 4 | 0 | 0 |
 +| Toroia Castle Treasury | 0 | 8 | 20 | 20 | 40 | 11 | 1 |
 +| Cave Magnes | 0 | 20 | 40 | 30 | 10 | 0 | 0 |
 +| Tower of Zot | 10 | 10 | 35 | 30 | 15 | 0 | 0 |
 +| Dwarf Castle | 10 | 25 | 35 | 28 | 2 | 0 | 0 |
 +| Lower Bab-il | 10 | 10 | 30 | 30 | 20 | 0 | 0 |
 +| Eblan | 10 | 10 | 25 | 30 | 23 | 2 | 0 |
 +| Cave Eblan | 10 | 10 | 40 | 25 | 15 | 0 | 0 |
 +| Upper Bab-il | 10 | 10 | 35 | 30 | 15 | 0 | 0 |
 +| Upper Bab-il (after fall) | 10 | 10 | 35 | 30 | 15 | 0 | 0 |
 +| Tomra | 10 | 20 | 40 | 28 | 2 | 0 | 0 |
 +| Smithy House | 10 | 10 | 30 | 30 | 20 | 0 | 0 |
 +| Sylvan Cave | 8 | 12 | 25 | 30 | 23 | 2 | 0 |
 +| Cave of Summons | 0 | 25 | 25 | 30 | 20 | 0 | 0 |
 +| Town of Summons | 10 | 20 | 40 | 28 | 2 | 0 | 0 |
 +| Sealed Cave | 10 | 10 | 30 | 30 | 20 | 0 | 0 |
 +| Cave Bahamut | 8 | 12 | 30 | 30 | 18 | 2 | 0 |
 +| Lunar Path | 8 | 12 | 30 | 30 | 18 | 2 | 0 |
 +| Giant of Bab-il | 0 | 10 | 30 | 30 | 26 | 4 | 0 |
 +| Lunar Subterrane/​Core | 0 | 10 | 25 | 20 | 41 | 4 | 0 |
 +
 +===== Trapped chests =====
 +
 +Trapped chest rewards have their own distinct weightings:
 +
 +^ Trapped chest location ^ Tier 1 ^ Tier 2 ^ Tier 3 ^ Tier 4 ^ Tier 5 ^ Tier 6 ^ Tier 7 ^
 +| Tower of Zot | 0 | 0 | 0 | 10 | 40 | 30 | 20 |
 +| Eblan | 0 | 0 | 0 | 0 | 40 | 30 | 30 |
 +| Cave Eblan | 0 | 0 | 0 | 20 | 60 | 15 | 5 |
 +| Lower Bab-il | 0 | 0 | 0 | 10 | 45 | 30 | 15 |
 +| Upper Bab-il | 0 | 0 | 0 | 10 | 60 | 15 | 15 |
 +| Cave of Summons | 0 | 0 | 0 | 5 | 45 | 35 | 15 |
 +| Sylvan Cave | 0 | 0 | 0 | 5 | 30 | 30 | 35 |
 +| Giant of Bab-il | 0 | 0 | 0 | 0 | 20 | 20 | 60 |
 +| Lunar Path | 0 | 0 | 0 | 0 | 40 | 40 | 20 |
 +| Lunar Subterrane/​Core | 0 | 0 | 0 | 0 | 10 | 35 | 55 |
 +
 +===== Misc quests =====
 +
 +Potential key item locations that do not award a key item (other than trapped chests, which are described above) receive rewards based on this weighting:
 +
 +^  ^ Tier 1 ^ Tier 2 ^ Tier 3 ^ Tier 4 ^ Tier 5 ^ Tier 6 ^ Tier 7 ^
 +| Quests | 0 | 0 | 0 | 10 | 40 | 40 | 10 |
 +
  
treasure_probability_curves.txt ยท Last modified: 2020/01/02 06:12 by b0ardface