I'm a spinosaurus with a System to raise a dinosaur army

Afterdyingfollowingacaraccident,FenChiangfindshimselfinalimbobetweentheafterlifeandthemortalworldwherehemeetsGod,whomakeshimastrangerequest:toimmediatelyreincarnateinaworldcalledEden,whereallspeciesthatexistedonEarth(dinosaurs,prehistoricmammals,synapsids,pterosaurs,etc.)coexisttogether,tosaveitfromthehumanbeingswhoaredestroyingitduetoexcessivepollution.ArmedwithhisknowledgeandaSystem,ourhero,nowreincarnatedasaspinosaurusnamedSobek,mustembarkonadifficultjourneytoreunitethedinosaursandcurbhumanity'sgreed.However,defeatingthemostpowerfulspeciesthateverexistedwillnotbeaneasytaskevenforadinosaurarmy,andsurelyhumanitywillnotabandonthetitleofdominantspeciesveryeasily...