The ghost of WB Yeats would tell you more about the hidden room. But he wants that beast Aleister Crowly gone, first.
This is the low-spoiler guide for "Helping WB Yeats" puzzle in The Darkside Detective. Unlike in normal walkthrough, you get gradual hints on how to solve the puzzle. Click the big button below to see your first hint. If the hint contains a spoiler, you will be warned about it before clicking.