Chapter - Disappearance
Disappearance is a guaranteed instant triggered episode.
A condition for Disappearance:
if Progue is enclosed by location, rule fails;
if the number of contacted windsigh trees is 7, rule succeeds.
A commencement rule for Disappearance:
now the psyche of Progue is fugue.
A finishing rule for Disappearance:
if the psyche of Progue is fugue, rule succeeds.
Noticing-Disappearance is a triggered guaranteed instant episode.
A condition for Noticing-Disappearance:
if location is Hut, rule succeeds.
A commencement rule for Noticing-Disappearance:
say "That's funny. Progue was here, but now he's gone.".
A finishing rule for Noticing-Disappearance: rule succeeds.