pivotal point

climax crisis crisis point critical juncture critical point critical stage crossroads crucial moment crunch time decisive moment defining moment do or die time emergency high noon irreversible momentum moment of truth point of no return sink or swim time the Rubicon turning point zero hour

turning point

climacteric climax crisis critical juncture critical mass critical stage crucial point crunch defining moment moment of truth nexus pivot point of no return

critical mass critical moment do or die time high noon moment of truth