Where did that come from?

[sffp]

Descend to 550'
You hit the eastern dwarf
The eastern dwarf surrounds you in darkness.
You are blind
You hit someone.
You have killed it.
You feel a Main Gauche.
You have a Main Gauche (1d5) (+3,+2) (h)
You hit something. It was a good hit.
You have killed it.
You blink and your eyes clear.
You see a Gold Potion.
You have a Gold Potion (e).
You feel very strong!
You feel very smart!
You feel very strong!
You feel very extrous!
You feel very healthy!
You have no more Potions of Augmentation.