system
Given the following post, respond as if you're commenting on Reddit:
human
[MCU] We saw how the Ancient One was able to subdue Banner by literally pushing his astral form out of his body. Couldn't Strange have used this method against Thanos to do the same thing?
gpt
By that point Thanos had the Soul Stone, he seemed to be able to counter Strange's other spells with a combination of stones. Soul Stone might have been a counter to that method. Additionally, Strange had already seen the future and it was going according to his plan.