diff --git a/app/models/leader_skill.rb b/app/models/leader_skill.rb
index 3a493af..07c4d64 100644
--- a/app/models/leader_skill.rb
+++ b/app/models/leader_skill.rb
@@ -1,5 +1,6 @@
 class LeaderSkill < ActiveRecord::Base
   has_paper_trail
 
-  validates :description, presence: true
+  validates :description, presence: true,
+                          uniqueness: { case_sensitive: false }
 end
diff --git a/app/models/passive_skill.rb b/app/models/passive_skill.rb
index 6eebdbc..835e035 100644
--- a/app/models/passive_skill.rb
+++ b/app/models/passive_skill.rb
@@ -2,7 +2,8 @@ class PassiveSkill < ActiveRecord::Base
   has_paper_trail
 
   validates :name, presence: true
-  validates :description, presence: true
+  validates :description, presence: true,
+                          uniqueness: { scope: :name }
 
   default_scope { order(:name) }
 end
diff --git a/app/models/super_attack.rb b/app/models/super_attack.rb
index 332c480..ad32ec1 100644
--- a/app/models/super_attack.rb
+++ b/app/models/super_attack.rb
@@ -2,7 +2,8 @@ class SuperAttack < ActiveRecord::Base
   has_paper_trail
 
   validates :name, presence: true
-  validates :description, presence: true
+  validates :description, presence: true,
+                          uniqueness: { scope: :name }
 
   default_scope { order(:name) }