Check out this video for more details: 

https://www.youtube.com/watch?v=H3Vq0X2MKLI&t=1s&ab_channel=Sethum 

ARK HOW TO TAME A BRONTOSAURUS 2020 - EVERYTHING YOU NEED TO KNOW ABOUT TAMING A BRONTOSAURUS

The Brontosaurus is one of the largest creatures in Ark Survival Evolved. That being said, it’s not a surprise that taming it is not the easiest thing.  The Bronto is tamed using the Knock-Out Strategy. You can use creatures that inflict torpor, such as Pulmonoscorpius or a Mantis carrying some ranged weapons. Attacking a Brontosaurus with tranq arrows or tranq darts will do the job too, but it will take more time. However, the real challenge is not being killed while trying to knock this dinosaur down.

Some useful strategies are attacking it from the top of a cliff or building a structure to hide in. You can even ask a friend for help. Get him to pick you up with a flying mount and have fun flying over the Bronto and shooting some arrows at it. It sounds like an exciting adventure.

How it works: 

• Locate the Brontosaurus and analyze your surroundings. or build a hiding place if you want to make your life easier
• Attack the Bronto with items/creatures that inflict torpor, until you knock it down
• Place food in its inventory ( Exceptional Kibble is preferred, but berries, fresh barley, wheat, and soybeans also work)  
• Keep the dinosaur safe and don’t let him wake up until the taming bar is full

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