I recommend the following novels to you: Douluo's God Summoning, Peerless Tang Sect's Panda Spirit, Douluo: Twin Spirits, My Foster Mother is Bibi Dong, Douluo's Beginning Sign In Demon God Twin Spirits, My Spirit Gai Ou Ka, Reborn Ka Douluo, Douluo's My Attack Explodes Attributes, etc. These novels all have twin spirits plots. I hope you like this fairy's recommendation. Muah ~😗