If you are looking to "develop" or edit the text within the game itself, this is typically done through .
: "I AM ERROR" (found in Ruto) and "BAGU IS MY NAME" (found in the woods) are among the most iconic.
: Because older NES games like Zelda II do not use standard ASCII characters, you must first "dump" the text using a hex editor and a translation table (TBL file) .
: Specific utilities like z2edit allow you to open a ROM file and directly modify the text found in town dialogues or palace hints.
: NPCs provide critical mechanical advice, such as "WHEN YOU JUMP PRESS DOWNWARD TO STAB" or "THIS MAGIC WILL STRENGTHEN A SHIELD".