Mo Dao Zu Shi Episode 5 -

Focuses on the tragic fallout of the Sunshot Campaign. Wei Wuxian formally defects from the Jiang Clan to protect the Wen remnants, a defining moment that leads to his eventual death.

During the chaos, Wei Wuxian is nearly dragged underwater by resentful spirits—his first direct encounter with such intense dark energy. He is saved by Lan Wangji, highlighting their developing bond and Lan Wangji's protective nature despite his outward coldness. Mo Dao Zu Shi Episode 5

If you are looking for from later seasons, the stakes are significantly higher: Focuses on the tragic fallout of the Sunshot Campaign

The "Waterborne Abyss" incident serves as a catalyst for dynamic. Lan Wangji’s act of saving Wei Wuxian signals a shift from mere classmates to a deeper, albeit complicated, mutual respect. Loss of Innocence He is saved by Lan Wangji, highlighting their

The investigation culminates in the discovery of a Waterborne Abyss , a massive vortex of resentful energy that begins capsizing boats.

Wei Wuxian's suggestion to use "resentful energy" to fight spirits is the first explicit mention of the "Heretic Path". It establishes the core conflict between his practical, results-oriented morality and the rigid traditionalism of the cultivation world.

Wei Wuxian demonstrates his unconventional ingenuity by using resentful energy to track the ghouls, though he is reprimanded by Jiang Cheng for these risky "heretical" ideas.