Climactic

The climactic battle of the Mahabharata takes place on the battlefield of Kurukshetra.

The race ended in a climactic, neck-and-neck scramble for the finish line.

... and the ending (within the last 50-ish pages) is simply incredible; very climactic.

And in Paris, Wick has a meeting with the Marquis, the Eiffel Tower providing a picturesque backdrop. A big, climactic scene is set on the steps and in the shadow of Sacré-Coeur.

Then we went to General Hospital, which is a very climactic sound. And we ended it with the best, Days of our Lives.