diff --git a/app/controllers/api/v1/characters_controller.rb b/app/controllers/api/v1/characters_controller.rb
index 810bfca..44545b0 100644
--- a/app/controllers/api/v1/characters_controller.rb
+++ b/app/controllers/api/v1/characters_controller.rb
@@ -226,7 +226,7 @@ module Api
         params.require(:character).permit(
           :granblue_id, :name_en, :name_jp, :rarity, :element,
           :proficiency1, :proficiency2, :gender, :race1, :race2,
-          :flb, :ulb, :special, :season, :gacha_available,
+          :flb, :ulb, :special, :season,
           :min_hp, :max_hp, :max_hp_flb, :max_hp_ulb,
           :min_atk, :max_atk, :max_atk_flb, :max_atk_ulb,
           :base_da, :base_ta, :ougi_ratio, :ougi_ratio_flb,
diff --git a/app/controllers/api/v1/search_controller.rb b/app/controllers/api/v1/search_controller.rb
index 708a13d..e4339ed 100644
--- a/app/controllers/api/v1/search_controller.rb
+++ b/app/controllers/api/v1/search_controller.rb
@@ -70,7 +70,6 @@ module Api
               filters['proficiency2']
           end
           conditions[:season] = filters['season'] unless filters['season'].blank? || filters['season'].empty?
-          conditions[:gacha_available] = filters['gacha_available'] unless filters['gacha_available'].nil?
         end
 
         characters = if search_params[:query].present? && search_params[:query].length >= 2
diff --git a/app/controllers/api/v1/weapons_controller.rb b/app/controllers/api/v1/weapons_controller.rb
index 2dac231..8ed8dfb 100644
--- a/app/controllers/api/v1/weapons_controller.rb
+++ b/app/controllers/api/v1/weapons_controller.rb
@@ -216,7 +216,7 @@ module Api
       def weapon_params
         params.require(:weapon).permit(
           :granblue_id, :name_en, :name_jp, :rarity, :element, :proficiency, :series, :new_series,
-          :flb, :ulb, :transcendence, :extra, :limit, :ax,
+          :flb, :ulb, :transcendence, :extra, :limit, :ax, :gacha,
           :min_hp, :max_hp, :max_hp_flb, :max_hp_ulb,
           :min_atk, :max_atk, :max_atk_flb, :max_atk_ulb,
           :max_level, :max_skill_level, :max_awakening_level,
diff --git a/app/models/character.rb b/app/models/character.rb
index 3d47110..2d051a4 100644
--- a/app/models/character.rb
+++ b/app/models/character.rb
@@ -44,14 +44,6 @@ class Character < ApplicationRecord
     { slug: 'character-multi', name_en: 'Multiattack', name_jp: '連続攻撃', order: 3 }
   ].freeze
 
-  # Non-gachable series (characters that must be recruited, not pulled)
-  NON_GACHABLE_SERIES = [
-    GranblueEnums::CHARACTER_SERIES[:Eternal],
-    GranblueEnums::CHARACTER_SERIES[:Evoker],
-    GranblueEnums::CHARACTER_SERIES[:Saint],
-    GranblueEnums::CHARACTER_SERIES[:Event],
-    GranblueEnums::CHARACTER_SERIES[:Collab]
-  ].freeze
 
   # Validations
   validates :season,
@@ -64,8 +56,6 @@ class Character < ApplicationRecord
   # Scopes
   scope :by_season, ->(season) { where(season: season) }
   scope :by_series, ->(series) { where('? = ANY(series)', series) }
-  scope :gachable, -> { where(gacha_available: true) }
-  scope :recruitable, -> { where(gacha_available: false) }
   scope :seasonal, -> { where.not(season: [nil, GranblueEnums::CHARACTER_SEASONS[:Standard]]) }
 
   def blueprint
@@ -81,10 +71,6 @@ class Character < ApplicationRecord
     season.present? && season != GranblueEnums::CHARACTER_SEASONS[:Standard]
   end
 
-  def gachable?
-    gacha_available
-  end
-
   def season_name
     return nil if season.nil?
 
diff --git a/db/migrate/20251215122402_move_gacha_from_characters_to_weapons.rb b/db/migrate/20251215122402_move_gacha_from_characters_to_weapons.rb
new file mode 100644
index 0000000..c51d86d
--- /dev/null
+++ b/db/migrate/20251215122402_move_gacha_from_characters_to_weapons.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class MoveGachaFromCharactersToWeapons < ActiveRecord::Migration[8.0]
+  def change
+    # Add gacha boolean to weapons table
+    add_column :weapons, :gacha, :boolean, default: false, null: false
+    add_index :weapons, :gacha
+
+    # Remove gacha_available from characters table
+    remove_index :characters, :gacha_available
+    remove_column :characters, :gacha_available, :boolean, default: true, null: false
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index cf321d7..38b3cb3 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -134,8 +134,6 @@ ActiveRecord::Schema[8.0].define(version: 2025_12_15_173625) do
     t.text "game_raw_en_backup"
     t.integer "season"
     t.integer "series", default: [], null: false, array: true
-    t.boolean "gacha_available", default: true, null: false
-    t.index ["gacha_available"], name: "index_characters_on_gacha_available"
     t.index ["granblue_id"], name: "index_characters_on_granblue_id"
     t.index ["name_en"], name: "index_characters_on_name_en", opclass: :gin_trgm_ops, using: :gin
     t.index ["season"], name: "index_characters_on_season"
@@ -975,6 +973,8 @@ ActiveRecord::Schema[8.0].define(version: 2025_12_15_173625) do
     t.jsonb "game_raw_jp", comment: "JSON data from game (Japanese)"
     t.integer "promotions", default: [], null: false, array: true
     t.uuid "weapon_series_id"
+    t.boolean "gacha", default: false, null: false
+    t.index ["gacha"], name: "index_weapons_on_gacha"
     t.index ["granblue_id"], name: "index_weapons_on_granblue_id"
     t.index ["name_en"], name: "index_weapons_on_name_en", opclass: :gin_trgm_ops, using: :gin
     t.index ["promotions"], name: "index_weapons_on_promotions", using: :gin