Portcullis

* The Portcullis acts like a wall and is impassable.

* The Warrior, Mummy, Dwarf Troll Slayer, Stone Elemental, Mammoth, Colossus and Minotaur can break a Portcullis, which will remain broken for the remainder of the game.

* The Thief and the Treacherous can open a Portcullis. They can also close an open Portcullis.

* The Ghost and Specter can pass through Portcullises as if they weren't there.

* The Wall Walker cannot cross a Portcullis.

* A character carrying a Key can open or close a Portcullis like the Thief.

* A web can be placed on a broken Portcullis, but not an open Portcullis.