"Survival Manuals increase item drop rates by a specific percent, for a certain number of days. They can be used with Combat Manuals and Tactical Manuals. Currently, Survival Manuals are not available for purchase. They can be received from special events determined by K2 Networks. One day Survivor Manuals are now found in the Mater Battle Pack in The Cash Shop. Back to Premium Items"@en . . "Survival Manuals increase item drop rates by a specific percent, for a certain number of days. They can be used with Combat Manuals and Tactical Manuals. Currently, Survival Manuals are not available for purchase. They can be received from special events determined by K2 Networks. One day Survivor Manuals are now found in the Mater Battle Pack in The Cash Shop. Back to Premium Items"@en . . "Survival Manual"@en .