RELATED: Lego Jurassic World: 5 Things It Got Right About The Movies (& 5 Things It Got Wrong) Seizing the opportunity, the Indominus charged at the Ankylosauruses in an attempt to kill whatever it could sink its teeth into. Using its ability to camouflage itself, the Indominus Rex was able to stealthfully approach the herbivores without them noticing. The Indominus Rex's attack on the herd of Ankylosauruses in 2015's Jurassic Worldwas the first on-screen instance of the superpredator recklessly attacking the other dinosaurs.