Dr Manhattan Batman Who Laughs

How is The Batman Who Laughs defeated?

After gathering up his forces to fight the Justice League, the Batman Who Laughs fought against the Justice League and was killed by Wonder Woman using a chainsaw built using parts of the Invisible Jet.

How did Batman Who Laughs beat Perpetua?

The Batman Who Laughs merged his being with the power of Dr. Manhattan and became a god. The One Who Laughs gained the power to twist reality on one earth, the multiverse, and challenge Perpetua’s power. The One Who Laughs defeated the heroes at every turn, and destroyed Perpetua in a battle that rattled the cosmos.