You can get ancient sap inside the dungeon lad, but first if you want to unlock dungeon go to ivy's room in the morning there you can access to attic and the rest is up to you my friend.
Well if you're aware to access the attic you need to go to ivy's room(MC's main chick) then try to spam click the attic. Well the attic is not that easy to see but if look up in Ivy's room you will see something different. Let me now if thats helpful men.
I found the dagger along time ago. But the clock's puzzle? Maybe it's the answer. But I don't know how solve that ether. When I click on it just show me the clock with the key middle of it.
Well if my memory serves me well the key to solve thw clock mystery is depend on you, but i suggest to spam click everything inside your house and i mean everything including the paintings and sort of stuffs. Thats the key man spam click every item that you can see INSIDE of your home