Signal Fireworks (信号烟花, Xìnhào Yānhuā) are used by cultivators to summon the help of any nearby cultivators from their clan. However, signal fireworks are only needed about once every eight-hundred years.[1]
Description[]
Signal fireworks consist of cylinders that fire a light that explodes in the sky after shaking the cylinder a few times. A sharp whistle accompanies their use.[2]
Use[]
In Mo Village, the Gusu Lan Clan juniors use a signal fireworks to call for help against the Demonic Left Arm. Lan Wangji eventually arrives to subdue the Demonic Left Arm.[3]
In Dafan Mountain, after the Heavenly Maiden reveals itself as the soul-stealing entity, Wei Wuxian tells Lan Sizhui and Lan Jingyi to set off another cylinder of signal fireworks to alert Lan Wangji. However, both lament that they have forgotten to restock.[1]
In the events leading up to the Sunshot Campaign, Wang Lingjiao uses signal fireworks to summon the Qishan Wen Clan to begin the massacre of Lotus Pier.[2]
Animation Divergence[]
During the Discussion Conference in Qishan, signal fireworks are used to announce if the participants of the archery competition have either failed or succeeded to hit their marks.[4]
In Huaicang Mountain, after encountering Wen Ning, Jin Ling uses signal fireworks to alert Jiang Cheng.[5]
The Gusu Lan Clan sets off signal fireworks after the Demonic Left Arm escapes the Cloud Recesses.[6]
Audio Drama Divergence[]
The Lanling Jin Clan sets off signal fireworks for help after the deaths of Jin Zixuan and Jin Zixun during the fight at Qiongqi Path.[7]