The map is faithful to the current status of the farmhouse, give or take some less straight walls, so should work great against Lily's notes. Unless she's dreadful at cartography!

Ah, I was hoping you'd scale up your efforts. The fish can only act through water, but they will make that spot safe haven for one person within it, who cannot leave it. Advice: use it in the pond. But the moment Lily or anyone she uses it on leaves that area, the scale is forfeit, the shield is down.