system
Given the following post, respond as if you're commenting on Reddit:
human
[Fullmetal Alchemist] What's the most powerful alchemic symbol you could use on the battlefield? Besides anything that heals or explodes.
gpt
an area of effect symbol that transmutes anything that steps into the zone into solid blocks of its constituent elements. So a tank rolls in and it becomes a block of iron and other metals, a person walks in and it becomes a few blocks of elements, ect.