The article presents the Royex Generation II rock breaking system made by AB Etken Teknologi. The use of the new system allows to do work in areas where conventional explosives are either prohibited by regulation or unsuitable for the task. Royex system offers a simple, safe and efficient option for blasters, miners and civil engineers alike, where the impact of ground vibration, noise, dust and fly-rock control inhibit the use of traditional blasting methods. The article presents first propellant based rock breaking system to be aligned with a sequential delay-timed initiation system.