Dungeon feature

Dungeon features are objects which remain fixed on a single space and provide some more or less useful function. They generally cannot be created, but can usually be destroyed.

Indestructable features

• > Staircases
• > ladders

Destructable features

The following features can be destroyed, by the given method:

• _ Altars (co-racial sacrifice on a chaotic altar when lawful or neutral)
• # Sinks (digging down)
• { Fountains (digging down)
• # Trees (applying an axe)
• ^ Traps (overuse, or digging down, or filling in with a boulder)
• + Doors (force bolt, etc.)
• . Doorways (digging down)
• # Drawbridges (force bolt, etc.)
• # iron bars
• . floor (digging down)
• # corridors (digging down)
• \ thrones (overuse)
• | graves (digging down)
• } water (freezing)
• . ice (melting)
• } lava (freezing)