I almost soft-locked-ish myself in Temple of Ancients

When Cloud goes nuts and kills that soldier, I barely made it out of that fight, 2 deads and Barret was very low on life. Surprise surprise, when you finish the first Aerith portion, it's right into a fight with Cloud.

I found no way to heal my other team. So I tried a few times, got a magnify-restore on Cloud and made him cast asap (First Strike was helpful). He casted it, but him and Tifa were dead before the spell had an effect. So I had Barrett hang in there, Phoenix Down Cloud, which in turn Revived Tifa and we made it out of the fight.

Unless I missed something, this section is dangerous! You could paint yourself in a corner very fast.