\textbfStep 1 — Enter the dungeon: \beginverbatim \documentclassarticle \begindocument Hello, dungeon. \enddocument \endverbatim
Different rooms protect you from different threats.
\subsectionThe Most Dangerous Spell \texttt\textbackslash begindocument and \texttt\textbackslash enddocument — the entry and exit of the dungeon. \textcolortrapcolor\textbfWARNING: Forgetting \texttt\textbackslash enddocument traps you in an infinite loop.