After working on it, Alex and Sam finally found a way. They first tried it on the bus on which the girls came and it was a success. Then Alex also learned about the CES(Crystal to Electricity System) from Sam. Alex modified the CES system and and installed the CES system in his car so that he can use the zombie or monster crystals to charge the car battery. After the Apocalypse, the sky mostly remained covered by clouds for many months in a year and at that time it wasn't possible to use solar energy. The military used to recharge batteries with solar energy and store oils in advance for using in those months. The survivors also stayed inside the base during those months as the zombies became very active and aggressive during night or in dark places. Then Alex made Serene the temporary base leader and left the base so that he could find things which he will need to expand his base - "Human resources or survivors and supplies." He left the base and firstly he went to his Base X1 and he checked whether the fridges used for storing foods were working or not. He took out some spices and other things that will be needed in their restaurant. Then he left the Base X1 and went to X2 and collected more ammunitions and used- " Multiply and Duplication " on it. Then after storing them he left the base and began to search for things which could be useful for his survival as well as for his base.
