Does a spell without a seal work?

Of course it works. First, the French seal is a special seal in the sects, and the military forces and gods who own the French seal will act. But some sects don't need to be printed, and the French seal can only be used after you sacrifice. What would you say if you were a beginner and didn't even have a seal, but you had to draw symbols and swallow them in the process of refining? Fu Naili's figure, the shape of the symbol itself is a symbol, and those who claim that the symbol must be stamped must not understand the symbol.