Knowing when to leave requires training.

When all else fails, when you hit a brick wall, let the enemy reveal themselves by giving them what they're looking for.

Anything can be a weapon in imaginative hands.

Just as I was thinking I would never find my animus, I caught sight of my shadow and laughed out loud. I'd thrown myself onto the floor in frustration - my head resting on one arm and waving the other to cool myself down. There on the wall was the perfectly formed shadow of a cat, curled up - with a swishing tail! ...I even heard myself purr!