Potion of berserk rage

Type	Potion
Name	Potion of Berserk Rage
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Quaffing a potion of berserk rage makes you start berserking for 19 to 38 turns (weighted toward 29). Alternatively, it can be used after drawing the Battlelust card to cancel the effect entirely. Ghouls, mummies, and Thirsty (or worse) Vampires cannot go berserk, and lose 100 satiation instead. Evaporating this potion will make a cloud dealing 50% fire and 50% steam damage.

"A red film seems to cover your vision as you go berserk! You feel yourself moving faster!
You feel mighty!"
"You're already berserk!" (if already berserking)
"You're too exhausted to go berserk." (if still exhausted after a previous berserking)
"You feel slightly irritated." (thirsty Vampire)