Really amazing fiction story @donkeypong
You do know that like the massive sauropod dinosaurs like brachiosaurus, diplodocus, apatosaurus and the massive argentinosaurus, heffelumps are really just big and gentle herbivores also known as plant eaters and aggressive only when provoked or when they notice danger or ferocious meat eating carnivorous predators including terror birds, crocs, birds of prey, big cats, pack of dogs or dromaeosaurs and even the mighty giant theropods like Giganotosaurus, Allosaurus, Carcharodontosaurus, Spinosaurus, Torvosaurus, Mapusaurus, Saurophaganax, and the mighty Tyrannosaurus Rex that want to eat their young. ;)