Imperial Mandate is a legendary item in League of Legends. Imperial Mandate costs 2300 gold and grants 40 Ability Power, 200 Health, 20 Ability Haste, 100% Base Mana Regen and a Unique Passive (Coordinated Fire).
+40 Ability Power
+20 Ability Haste
+100% Base Mana Regen
Unique - Coordinated Fire: Abilities that Slow or Immobilize a champion deal bonus damage and mark them. Ally champion damage detonates the mark, dealing additional damage and granting you both Move Speed.