Thought this was pretty funny
#definition OPINION_SOURCE OPINION_SOURCE_SCARY_FIRE specialises OPINION_SOURCE_BASE
ProducedOpinion[OPINION_RENOWN] 1.0;
ProducedOpinion[OPINION_MORALITY] -1.0;
ProducedOpinion[OPINION_SCARINESS] 1.0;
ReactNonstop TRUE;
ReactionFlagDefault FALSE;
// let's allow villagers to react to themselves if they've become a scary fire!
ReactToSelfPermitted TRUE;
// only FLEE is designed to work in a reacting to self situation
ReactionFlag[OPINION_REACTION_TYPE_FLEE] TRUE;
RestrictToFactionAndAllies FACTION_VILLAGERS; // villagers only