At the moment of ashes, civilization collapses. Under the leaden sky, there are many treacherous gates, and there is no life or death.
Chen Ye, a folklorist struggling in the apocalyptic ruins, in the abyss of despair of the first secret gate "Old City Archives", bound his destined secret weapon - a brass lighter [embers] engraved with ancient patterns. The weak firelight is his only reliance against the endless darkness; a life-saving trump card that is immune to erasure at the cost of a 24-hour ability vacuum; and the **random ability** that is refreshed after each level is cleared is the biggest variable for him to fight in the gaps in the rules.
