Can you give a sentence for the word intense?

The floodwalls in the city of New Orleans broke because of the intense pressure as water from the Gulf of Mexico and Lake Pontchartrain flooded the canals.

When I opened the door to the oven, the heat from the broiler was so intense that it burned my face.

Chess is a game that requires intense concentration. Here is the correct usage of the Word intense in a sentence, "The project required ultimate intense." This means done with or showing great energy.