Please be as specific as possible when letting us know what is missing or incorrect. For example, say "this game's trophy difficulty should be 8/10", with a link to a website corroborating this difficulty estimate (if possible), not "this game's trophy difficulty is wrong".
An in-game promotion may grant you additional bonus Helix Credits. See Assassin's Creed Unity main menu for details. Other packs also available in-game
Buy this pack and get 10000 in Helix Credits. As a bonus get 10000 in extra Helix Credits each time you purchase this pack. Helix credits allow you to unlock items and hacks in the Assassin's Creed Unity in-game store.