As azir, You are extremely squishy and hence are really weak to all-ins from the enemy team. The danger increases when you don't have your Ultimate R ready.

Due to your soldier positioning mechanic, any enemy champion who has a dash, or some other form of mobility spell, can prove to be a really hard target to catch out and kill for you.

Your own mobility can turn out to be a weak point for you. If the enemy manages to bait out your R in an aggressive way and then the enemy Jungler shows up for a gank, you will have a really hard time getting out of the situation without your Ultimate R.  As azir, The danger increases when you don't have your ultimate R ready. Because of your soldier positioning mechanic, any enemy champion who has a dash, or other form of mobility spell, can turn out to be a really hard target to catch and kill for you. Your own mobility can prove to be a weak point for you. If the enemy manages to bait your R in an aggressive way and then the enemy Jungler shows up for a gank, you will have a really hard time getting out of the situation without your ultimate R.