Secrets galore-Castle of terror

Abandoned Castles, but different. These structures contain valuable loot, like the book of imbuing, and the emerald star, but getting them is a challenge. For starters, the castle is filled with hostile imbued tools(imbus'), and the library and dungeon both have iron juggernaughts. If you attempt to open any of the chests, massive castle doors will close, and all of the imbus' inside will move towards you. Finally, if you get in and get out with the loot, the King of Darkness has a small chance of appearing near your spawn point. All of the mobs I mentioned are gone into depth in other ideas