Make a stone foundation and 4 doorways. Lure the ravager into the trap built from the foundation and three doorways and have a friend put in the final one. Now your ravager is stuck, easy to be ko'd and protected from threats. Bolas often dont work as the ravager can still attack and cant be bolad easily after escaping.
Bola them first and tranq dart them, anything above lvl 35 will take more than 1 bola lvl 95 and up is going to a struggle if you’ve just spawned in, but great travel mount and great in combat just pump health and melee, stam doesn’t drop that much, similar to a thyla