<Chinese TV Series NOW> ”The Untamed” Episode 4, Episode 6, Jiang Cheng learns that Wei Wuxian lost the elixir to save himself = Synopsis and spoilers

*This article contains spoilers. In the Chinese TV series "The Untamed" 4 EP6, Jiang Cheng learns that Wei Wuxian has lost the elixir to save himself.
The two women revealed the horrifying truth about Jin Guangyao, but Wei Wuxian had been ordered by someone to expose Jin Guangyao's evil deeds.
I guess that's what happened. Jin Guangyao, who was praised by everyone, became the target of criticism in just one day. The upset immortals of each generation began to call for the downfall of Jin Guangyao.
Meanwhile, Wei Wuxian and Lan Wangji leave the place and visit the Jiang family ancestral hall, where they meet Jiang Fengmian and his wife and Jiang Yanli.
Wei Wuxian went to pay his respects at the shrine of the deceased, Yanli. Then Jiang Cheng came. Jiang Cheng scolded Wei Wuxian, saying that Wei Wuxian had sacrificed the Jiang family by protecting Lan Wangji and the Wen family. Wei Wuxian and Jiang Cheng got into a fight.
However, Wei Wuxian suddenly started bleeding from the nose and collapsed. Wen Ning then appeared and told Jiang Cheng to pull out Wei Wuxian's sword. Jiang Cheng was able to pull out the sword with ease.
Wen Ning was shocked to hear that Jiang Cheng had given Wei Wuxian his elixir. At first Jiang Cheng couldn't believe it, but suddenly he realized that Wei Wuxian had chosen the path of the sword.
Wen Ning and Lan Wangji take Wei Wuxian and leave the place. On the way back, Wen Ning tells Lan Wangji that he told Jiang Cheng about the elixir.
He asks her to keep it a secret from Wuxian, and also thanks her for taking in Wen Yuan.