diff --git a/db/migrate/20230102235042_add_rings_earrings_to_grid_characters.rb b/db/migrate/20230102235042_add_rings_earrings_to_grid_characters.rb
new file mode 100644
index 0000000..2580f1d
--- /dev/null
+++ b/db/migrate/20230102235042_add_rings_earrings_to_grid_characters.rb
@@ -0,0 +1,18 @@
+class AddRingsEarringsToGridCharacters < ActiveRecord::Migration[6.1]
+  def change
+    add_column :grid_characters, :ring_modifier1, :integer
+    add_column :grid_characters, :ring_strength1, :float
+
+    add_column :grid_characters, :ring_modifier2, :integer
+    add_column :grid_characters, :ring_strength2, :float
+
+    add_column :grid_characters, :ring_modifier3, :integer
+    add_column :grid_characters, :ring_strength3, :float
+
+    add_column :grid_characters, :ring_modifier4, :integer
+    add_column :grid_characters, :ring_strength4, :float
+
+    add_column :grid_characters, :earring_modifier, :integer
+    add_column :grid_characters, :earring_strength, :float
+  end
+end