Solutions for Act IV Scene 4 - Alchemy

At a glance, there seems to be a lot of disconnected information here, but look a bit closer and you might notice a few connections - maybe you recognise the -39 in "Congelation" and the Latin element names in "Incineration", or you remember the origins of the names of each day of the week. Furthermore, a quick search for a few of the lists' titles reveals that they comprise the twelve alchemical processes.

In fact, everything here is connected: as hinted at by the picture in the bottom-right and the clear emphasis on celestial objects suggested by the central zodiac circle, each list contains seven things that are physically or historically linked to the seven classical 'planets' of the ancient geocentric models. (Moon, Sun, Mercury, Venus, Mars, Jupiter, Saturn.)

The table below summarises the answers for each category, and demonstrates the vast range of correspondences established with the planets.

Using this table to consider each process's list as an ordering of the same seven "things" (we'll use the planets here for simplicity, as they are clearly a centrepiece of the puzzle), and discovering that each process corresponds to a sign of the Zodiac (not a huge leap from there being twelve of each), we can fill in our orderings in the central chart. This can be done by numbering the circles from 1 to 7 within each sign, or colouring them differently, or any number of ways.

The only pieces of information that remain unused are the sequences of Zodiac symbols used to label the planets on the Ptolemaic chart. With the Zodiac chart filled in, and the number of connections you've had to metaphorically draw so far, it seems reasonable to physically connect the dots in the order specified by the symbols. Doing so for each planet yields a capital letter, and ordering these letters in the planets' original Ptolemaic order gives us the word arcanum, one of many names for the elusive magnum opus of alchemy, the philosopher's stone.

The answer is ARCANUM.

The answer is: arcanum