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key_item_randomization [2020/01/01 21:20] – [Vanilla key items] b0ardfacekey_item_randomization [2024/09/25 05:36] (current) – [Key item distribution] Updated for accuracy- thanks ScytheMarshall and Antidale wylem
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   * Defeating the Baron Inn bosses   * Defeating the Baron Inn bosses
   * Liberating Baron Castle   * Liberating Baron Castle
-  * Speaking to Edward in Toroia Castle*+  * Speaking to Edward in Toroia Castle* (see: [[#Free key item]])
   * Completing Cave Magnes   * Completing Cave Magnes
   * Completing the Tower of Zot   * Completing the Tower of Zot
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   * Trading the Rat Tail in the Adamant Grotto   * Trading the Rat Tail in the Adamant Grotto
  
-When playing with the "No Free Key Item" challenge, the "speak to Edward in Toroia" reward is replaced with "go to Rydia's mother in Mist after finding and defeating D. Mist". (See [[No Free Lunch challenges]].)+===== Free key item ===== 
 + 
 +Normally, visiting sick Edward in Toroia Castle grants you a free key item (where the TwinHarp is awarded in vanilla FF4). The ''Knofree'' flag moves this key item from Edward to Rydia's mother in Mist Village, who does not appear until D. Mist has been defeated.  (Note that this refers to the D. Mist boss, not the boss found in the Mist Cave.) 
 + 
 +In either case, this is considered an ungated check for item's [[treasure_probability_curves#misc_quests | reward tier ]]. 
 + 
  
 ===== Key items in summon quests ===== ===== Key items in summon quests =====
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 Setting ''Kmoon'' allows key items to potentially appear as rewards for defeating the sub-bosses in the Lunar Subterrane. (These locations correspond to the vanilla locations of the Murasame, Crystal Sword, White Spear, two Ribbons, and Masamune.) Setting ''Kmoon'' allows key items to potentially appear as rewards for defeating the sub-bosses in the Lunar Subterrane. (These locations correspond to the vanilla locations of the Murasame, Crystal Sword, White Spear, two Ribbons, and Masamune.)
-===== Key items in trapped chests =====+===== Key items in monster boxes =====
  
-Setting ''Ktrap'' allows key items to potentially appear as rewards from trapped treasure chests (ie. those containing monsters). For a list of trapped chests and details about their randomization, see [[Treasure randomization]].+Setting ''Kmiab'' allows key items to potentially appear as rewards from chests containing monsters. For a list of MIABs and details about their randomization, see [[Treasure randomization]]. 
 + 
 +The 9 MIABs inside the Lunar Subterrane will be excluded from the key item pool unless ''Kmoon'' or ''Kunsafe'' is also enabled.((Note that the Procyote/Juclyote "Hair Dryers" chest is not a Lunar Subterrane chest))
 ===== Key item distribution ===== ===== Key item distribution =====
  
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     * Add K more of the available summon/moon slots to the pool.     * Add K more of the available summon/moon slots to the pool.
     * Reserve the remaining unselected summon/moon slots.     * Reserve the remaining unselected summon/moon slots.
-  * If ''Ktrap'' is set, +  * If ''Kmiab'' is set, 
-    * For each dungeon containing trapped chests,+    - Calculate the number of MIABs from each dungeon to add to the key item pool:
       * Generate a random number N from 0...1.       * Generate a random number N from 0...1.
       * Determine the greatest integer K, where N < 1/(2^K).       * Determine the greatest integer K, where N < 1/(2^K).
-      * Select (K + 2) random trapped chests in the dungeon and add them to the pool (or all of them, if there are fewer than K + 2). +    - For each dungeon containing MIAB (monster-in-a-box) chests, 
-      * Reserve the remaining unused trapped chests.+      * Select (K + 2) random MIAB chests in the dungeon and add them to the pool (or all of them, if there are fewer than K + 2). 
 +    - Remove 3 MIABs from the pool, chosen at random. 
 +      * Reserve the remaining unused MIAB chests.
   * Randomly assign key items among the slots in the pool.   * Randomly assign key items among the slots in the pool.
-  * The remaining unassigned slots in the pool, as well as the reserved slots from the summon/moon/trap steps, will receive non-key-item rewards.+  * The remaining unassigned slots in the pool, as well as the reserved slots from the summon/moon/miab steps, will receive non-key-item rewards.
  
 Free Enterprise uses a random fill algorithm, verifying that each randomization is valid, and retrying if that test fails. Free Enterprise uses a random fill algorithm, verifying that each randomization is valid, and retrying if that test fails.
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 ==== Hook seed protection ==== ==== Hook seed protection ====
  
-From observation, with a straightforward randomization approach, about 75% of seeds end up being "Hook seeds", ie. seeds where the Magma Key is not readily available and the Hook is required to access the underworld, a much more difficult route with two challenging boss battles.+From observation, with a straightforward randomization approach, about 75% of seeds end up being "Hook seeds", i.e., seeds where the Magma Key is not readily available and the Hook is required to access the underworld, a much more difficult route with two challenging boss battles.
  
-To ease the difficulty for newer players, when generating a seed without any of the extended key item position flags (summon, moon, and traps), the randomizer has a 50/50 chance of forcing a Magma Key underworld route to be available.+To ease the difficulty for newer players, when generating a seed without any of the extended key item position flags (summon, moon, and MIABs), the randomizer has a 50/50 chance of forcing a Magma Key underworld route to be available. This will be the 'logical' route, guaranteed to abide by any safety checks.
 ===== Safety checks ===== ===== Safety checks =====
  
-To help ensure a reasonable progression through the game, the randomizer guarantees there will be a path to the underworld that does not require going to the moon first. This check can be disabled using ''Kunsafe''.+To help ensure a reasonable progression through the game, the randomizer guarantees there will be a path to the underworld that does not require any checks gated by the Darkness Crystal. This check can be disabled using ''Kunsafe''. 
 + 
 +===== Forcing underground routes ===== 
 +The ''Kforce:magma'' flag guarantees a logical route to the underworld using the Magma Key without having to launch the Falcon via the Hook route. The Hook may still be available, but the Magma Key will be guaranteed to abide by any safety checks. 
 + 
 +**NOTE:** Even with this flag, it is still possible for the Magma Key to require the Hook: 
 +  * The Magma Key can be gated by the Rat Tail turn-in. 
 +  * With the ''Kmiab'' flag enabled, it is possible for the Magma Key to be gated by the MIAB in Cave Eblana (2 Stalemen) or the MIAB in Upper Bab-il (4 Mad Ogres). 
 +  * With the ''Knofree'' flag enabled, it is possible for the Magma Key to be gated by D.Mist at either of the Upper Bab-il (Hook route) boss locations. 
 + 
 +The ''Kforce:hook'' flag  guarantees that the Hook route is the only way to reach the underworld. 
 ===== Non-key-item rewards ===== ===== Non-key-item rewards =====
  
 Potential key item locations that are not assigned a key item instead deliver an alternate reward, dependent on treasure flag settings. (Also see [[Treasure randomization]].) Potential key item locations that are not assigned a key item instead deliver an alternate reward, dependent on treasure flag settings. (Also see [[Treasure randomization]].)
  
-Under ''Tvanilla'' or ''Tshuffle'', a pool is created containing the vanilla rewards from all potential extended key item locations, (eg. if ''Kmoon'' is set, add Murasame, Crystal Sword, White Spear, two Ribbons, and Masamune), and randomly assign the non-key-item rewards from this pool.+Under ''Tvanilla'', a pool is created containing the vanilla rewards from all enabled extended key item locations, (eg. if ''Kmoon'' is set, add Murasame, Crystal Sword, White Spear, two Ribbons, and Masamune), and randomly assigns the non-key-item rewards from this pool. 
 + 
 +Under ''Tshuffle'', a pool is created containing the vanilla rewards from all potential extended key item locations (all vanilla moon, summon, and MIAB chest rewards, regardless of K flags), and randomly assigns the non-key-item rewards from this pool.
  
 Under ''Tstandard'' or ''Twild'': Under ''Tstandard'' or ''Twild'':
-  * Unused trapped chests receive a random item from tier 5-7. +  * Unused MIAB chests receive a random item from tier 5-8. (See [[Item stats tables]].) 
-  * All other unused potential key item locations receive a random item from tier 6-7.+  * All other unused potential key item locations receive a random item from tier 6-8.
  
 Under ''Tpro'' and ''Twildish'', non-key-item rewards are assigned based on their corresponding [[Treasure probability curves]]. Under ''Tpro'' and ''Twildish'', non-key-item rewards are assigned based on their corresponding [[Treasure probability curves]].
 +
 +Non-key-item rewards under ''Tempty'' are treated the same as under ''Tpro''.
 ===== Vanilla key items ===== ===== Vanilla key items =====
  
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   * The Legend Sword is awarded atop Mt. Ordeals; it does not come with Paladin Cecil.   * The Legend Sword is awarded atop Mt. Ordeals; it does not come with Paladin Cecil.
   * The Hook is earned by the destroying the Super Cannon, and is awarded during the cutscene when trying to leave the tower afterward.   * The Hook is earned by the destroying the Super Cannon, and is awarded during the cutscene when trying to leave the tower afterward.
-  * If playing with [[No Free Lunch challenges|No Free Key Item]], the TwinHarp is awarded by Rydia'​s mom.+  * If playing with ''Knofree'', the TwinHarp is awarded by Rydia'​s mom.
   * The Pink Tail is not available. (PinkPuffs directly drop Adamant Armors instead of Pink Tails in Free Enterprise.)   * The Pink Tail is not available. (PinkPuffs directly drop Adamant Armors instead of Pink Tails in Free Enterprise.)
   * The Crystal, as in vanilla, is awarded in the cutscene directly before fighting Zeromus.   * The Crystal, as in vanilla, is awarded in the cutscene directly before fighting Zeromus.
     * The Crystal is not awarded here if playing with [[objectives]] that award the Crystal.     * The Crystal is not awarded here if playing with [[objectives]] that award the Crystal.
key_item_randomization.1577913656.txt.gz · Last modified: 2020/01/01 22:20 (external edit)

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