In all honesty just shoot a bunch of toxic arrows at one or more and it will fall asleep. Then just build around the allosaurus so nothing tries to kill it or you. Use a crossbow by the way it’s much easier and faster.
Think about this: The taming in ark is crazy. The last thing the Dino would remember would be you impaling it in the face with toxic arrows before it gets knocked unconscious. And then somehow it eats while knocked out which makes no sense and then wakes up and loves you till it dies.
Yesterday(Oct 21 2020) I tamed to of these beauties! One was lvl 209 and a female wen I tamed it and the other was a male lvl 80! I also bread them,I used a pheromone the baby is fine tho, the tip here is how I tamed them. Ur gonna need a tapejara and tranqs.OK,
1.go to the red woods on ur tapejara
3.land on a tree with ur tapejara
4.WACK TRANQ DARTS ON ALLO HEAD!
5.wen its out, check the area
8.........that's all..........hop u like ur allo......
My name is Ashham and I hop u like it goodbye and..........
Alright listen. Make a foundation floor 3x3. Then build a wall of doorframes around the foundations 2 high. Next build WOOD ramps on one side of the box. USE WOOD RAMPS, STONE IS TOO SHORT. Finally, use a bird to lure the allo to the pit and take your time in taming it.