Kren is a 21 year old military combat medic that was born in Las Vegas Nevada in Valley Hospital where he was raised by his mom who was a janitor when he was a child he always dreamed of becoming a doctor to help people no matter the circumstances but his mother couldn't afford to pay for college so he decided to join the military when he turned 18 Kren got recruited to the military and went threw basic training to become a combat medic dedicated to helping anyone he could during his years in the army Kren helped many people during his 3 years in the military but then the zombie outbreak happened and Kren tried to return home to see if his mother was still alive but he found out very quickly that his own mother had turned into a zombie so he tried talking to her but all she did was try to attack Kren so eventually he locked her in a room and he ran trying to find other survivors but all he could find was either empty buildings or zombies but before Kren gave up hope he found a injured survivor so he did his best to patch up the survivor once he got better he learned that his name was Eirik he came from a place called Nyheim a state in Norway Eirik told Kren that he was looking for other survivors to attempt to get back to Nyheim because his helicopter crashed leaving him stranded they went on long journeys threw many country's helping many people on there journey they found an old helicopter so Eirik and Kren searched many towns looking for helicopter parts eventually they found all the parts they needed and finally made it back to Nyheim were Eirik and Kren decided to team up.