Will pop out of the ground as soon as you trigger its aggro range, if you are in foot run towards dodos or parasaurs, as it will redirect its aggression towards another target, allowing you to get out easily. However fo not linger your escape. As it will quickly kill your diverting maneuvered dodo or parasaur. Yust keep heading away from it.
So I just started abb and I was doing well running from carnos and raptors that, luckily, did not see me. Then I found some stegos to hide by and there was a trike not too far away it’s head was glowing red I was so confused. Welp let’s just say I did not see that Balisk intil it popped out of the ground shot poison at missed hit a stego and then want on a rampage killing everything on sight. I ran for the tunnel that separated the portal and the world outside I made it and I’m hiding there right now