The Abandoned Alchemy Lab is a boss arena located west of the Ancient Laboratory. It resembles an Orb Room in background and materials, but ruined and broken. Upon entrance, the Ylialkemisti will appear.
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Trivia[]
Above this area, hidden behind some snow and ice, is a strange symbol engraved in the background. It has no known meaning, but many speculated meanings. FuryForged summed it up as,
"It's been there since probably mid-way through early access. Then it was removed when 1.0 first came out. Then it was added back a couple months later and has been in ever since. No one has ever really been able to figure out exactly what it's referring to. It does not point to the gold biome near hell. It may refer to putting tablets on the mountain altar for gold. It may just point to the robotic egg (End of Everything)"