system
Given the following post, respond as if you're commenting on Reddit:
human
[Avatar the last airbender] Why didn’t the avatar spirit just break out of the iceberg by itself?

Your gonna tell me that the avatar can bring balance and order to the entire world, fight the most powerful fire bender in the world, but can’t break out of an iceberg????
gpt
"The Avatar Spirit" isn't really a thing that has motivations or makes decisions like that. There's a lot of memes about past Avatars "taking the wheel" when the Avatar State is triggered, but that's a very rare occurrence, and as far as we know it only happens when the current Avatar is open to it. 

  
In spite of the awesome and apparently infinite power that he possesses, Aang is still a twelve year old. That's why he ran away in the first place, it seemed like a reasonable plan to him.