Pain is the obvious go-to but Sarada and Kakuzu have really exciting themes. You can also attribute certain tracks to characters if it played during an iconic moment for them, I don't really mind.
1. Sarada
2. Kakuzu
3. Momoshiki & Kinshiki
[video=youtube;6dGVYOAmjL0]https://www.youtube.com/watch?v=6dGVYOAmjL0&list=PLNDWH1wI_S8rCRUVlyerYA_pM4FK-HKB_&index=5&ab_channel=Freex3r[/video]
1. Sarada
2. Kakuzu
3. Momoshiki & Kinshiki
[video=youtube;6dGVYOAmjL0]https://www.youtube.com/watch?v=6dGVYOAmjL0&list=PLNDWH1wI_S8rCRUVlyerYA_pM4FK-HKB_&index=5&ab_channel=Freex3r[/video]