As Lendas (2019)

Both have:
-fantasy and martial arts
-Strong, charismatic, powerful morally grey main leads
-painful pasts and misunderstandings.

A main character (FL vs. ML) is thought of as dangerous and hunted down/attempted to be killed by the "good" people. They are saved and protected by the other lead. Both have similar tones and settings, and excellent battle scenes.

- Novel adaptation of the same author
- Strong female protagonists
-Strong male leads
- Unconventional xianxias

Both have similar concepts and themes - a ML or SML who has been chained up for decades, people living in an area with an evil miasma, and characters that are shades of grey. Both MLs are accused of being demons and hunted down by the "righteous" sects/people.

Both are romance, mystery, fantasy, comedy and wuxia dramas. Both have similarity in plot too. In The Legends demons are hated and misunderstood while the so called orthodox sects kill demons indescrimately and are honoured for that. In the shadows these righteous sects use demonic techniques to become powerful. The demons make a sect of their own to prove how they can be righteous, kind and just.

Adapted from novel. A legendary wuxia romance that focuses on the decade-long romance. Strong male and female lead. Beautiful and charming couple.

- ML is a demon king,
- FL is associated with demons,
- ML is deeply in love with FL,
- ML is weak in the beginning and then becomes very strong,
- different sects and clans

-Both have xianxia and wuxia elements
-Both were adapted from Jiu Lu Fei Xiang's novels
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In both, the ML is slowly losing himself to another personality/being within him, and the FL is determined to save him.

Written by same author
Ambiguity between good and evil factions
Both have other worldly vibe
Both have great battle scenes

Both dramas have a FL whose soul is sharing the body of another girl, with the two appearing side by side talking to each other to the audience.

-Both have xianxia and wuxia elements
-Both were adapted from Jiu Lu Fei Xiang's novels
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Both Wuxia dramas have strong female leads who are funny and very lovable. You will be completely routing for these couples from beginning to end.