Ir Anuk & Ir Halak Grimoire Cards can be obtained during the fight of Kings's Fall Raid. Here is the Destiny: The Taken King Guide which will show the tricks to get Ir Anuk & Ir Halak Grimoire Cards without no loss of health.
The Gross Military Product(GMP) is a very difficult to achieve in the Metal Gear Solid V: The Phantom Pain. This guide will provide the shortcut on how to earn 4.5 mil GMP within 15 mins in MGS V: The Phantom Pain.
The Skyburners Chest can be unlocked if you make a right use of the Skyburners items. Here is how to find and use Skyburners Command Beacon, Deployment Codes and Security Pass in Destiny: The Taken King.