Willing well
From Discworld MUD Wiki
The willing well is an room feature in Djinn outpost.
The well will periodically change colors with the room chat:
The willing well swirls its contents into a small whirlpool, changing them <colour> in the process.
Room Description
A willing well is brooding in the centre of the floor.
Long Description
This is a small and largely unassuming stone well, made from blocks of reddish-brown stone. Circular in shape, it is full to the brim with a strange inky substance that ripples and swirls of its own accord. A deep pool of <color> liquid ripples within the willing well.
Commands
dip
Forms of syntax available for the command "dip": dip <object> in <well>
drink
Drinking from the well appears to give you an effect similar to Torqvald's Many Colours.
Forms of syntax available for the command "drink": drink from <well>
You see Stormrider Venia of Mrs. Widgery's Lodgers, the Fourth Level Wizard. She is a lovely shade of translucent blue.
list
Forms of syntax available for the command "list": list {colours|categories} {for|from|of} <well> list <colour> shades {for|from|of} <well>
will
Possibly skill checked-research needed.
Forms of syntax available for the command "will": will <well> to turn <colour>