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Arsenius — Arsenic

Monster name: Arsenius

Arsenic

Atomic number
33
Symbol
As
Series
metalloids
Group
15
Period
4
State of matter
solid
  • toxic
  • native element

This metalloid is highly poisonous to almost all lifeforms, except for a few bacteria. The Poison of Kings and the King of Poisons has been known and used since ancient times, for example as a green pigment in wallpaper. Nowadays it’s found in semi-conductors and insecticides.

Arsenius the adulterator would love to be a bartender. Only his fellow monsters don’t trust his mixing skills.

Nativ arsenic
Nativ arsenic — Image source: Wikimedia Commons