You've learnt the lessons of stealth.
From Fallen London Wiki
This page contains details about Fallen London Actions.
From: Use your Trade Secrets
Action Cost: 10
Game Instructions: This will notably increase your Shadowy, though not past the level cap.
Unlocked with 1 x Trade Secret
What the Cat knows
They seek you.
- You've gained 1 x Hastily Scrawled Warning Note (up to 20)
- You've lost 1 x Trade Secret