What happens to leer in all quiet of the western front?

In "All Quiet on the Western Front," Leer is one of Paul Baumer's classmates and fellow soldiers. He is characterized by his romantic views about war and women, but his fate takes a tragic turn when he is severely wounded during an assault. His injuries lead to a painful and agonizing death, which underscores the brutal realities of war and the loss of youthful innocence. His demise deeply affects Paul and highlights the senselessness of the conflict.