nilpotent (adjective)

1. In the novel, the protagonist discovers a magical ring that is capable of rendering any evil force nilpotent when used in battle.

2. Why did the math book look so sad? Because its favorite number, zero, was feeling nilpotent!

3. As the supernatural entity grew in power, its ability to make objects and people around it become nilpotent became more terrifying.

4. According to certain religious texts, the ancient artifact possessed by the deity has the power to make anyone who opposes it become nilpotent.