Defence Against Dark Arts

The Defense against the Dark Arts classroom is old but huge. If you move aside all the chairs and tables, you can form a space large enough for an entire class to practice a spell - possibly a Boggart banishing spell. It is also filled with various strange looking apparatus that looks like they have been there for near a century.

remember,"Your defence must therefore be as flexible and inventive as Arts you seek to undo"- Severus snape.