You've learnt the lessons of sight.
From Fallen London Wiki
| Spoiler warning! This page contains details about Fallen London Actions. |
From: Use your Trade Secrets
Action Cost: 10
Game Instructions: This will notably increase your Watchful, though not past the level cap.
Unlocked with 
1 x Trade Secret
Success
What the Owl knows
They cannot hide from you.
Watchful is increasing… (+150 CP, up to level 200 + 
Watchful Gains)
You've gained 1 x Sudden Insight (up to 20)
You've lost 1 x Trade Secret
