>>149190995
1. Forcefield around limitless, he suffocates to death. She could also theoretically allow certain gasses in and out but not others, making this much worse.

2. Similar to the first but using another forcefield with the properties of a magnifying lense to heat him up and kill him from heat exhaustion.

3. Forcefield around gojo. Lift him into the sky. Drop him. Repeat. She could also throw him into space.