I saw some tower have fire or ice on top. How can I do that?
Hi @Xray! Welcome to the CodeCombat Discourse! This is a safe place to chat and ask for level help. Before you begin your journey, could you please go through our rules that make this discourse an awesome place? It helps us all 
Now, with that out of the way, could you elaborate more on your issue? And is there any code that is causing this error?