Lightning · Damage over time
Kafka
Kafka detonates the stacks Black Swan and a third Nihility unit apply, so every slot but the sustain exists to keep a damage-over-time state on the enemy.

Garden of Recollection
English voice: Arryn Zech
No team on the site is built around Black Swan. The best team that wants Black Swan is Kafka's: Kafka, Black Swan, Hysilens and Huohuo (Lightning · Damage over time). Updated November 8, 2026
Lightning · Damage over time
Kafka detonates the stacks Black Swan and a third Nihility unit apply, so every slot but the sustain exists to keep a damage-over-time state on the enemy.
Lightning · Damage over time
The three-Nihility Kafka core with Dan Heng • Permansor Terrae as the sustain: his shields cover all four and his Souldragon dispels debuffs, so Black Swan and Hysilens spend every turn on DoT. Run in 6.7% of clears across the four endgame modes in 4.6.
Lightning · Damage over time
The three-Nihility Kafka core with Hyacine healing in place of Huohuo. Run in 0.4% of clears across the four endgame modes in 4.6.
Lightning · Nihility
Black Swan and Luka are both Nihility and both put DoT debuffs on the target, which charge Acheron’s Ultimate. Gallagher is the 4-star sustain.
No team on the site is built around Black Swan. The best team that wants Black Swan is Kafka's: Kafka, Black Swan, Hysilens and Huohuo (Lightning · Damage over time). Kafka detonates the stacks Black Swan and a third Nihility unit apply, so every slot but the sustain exists to keep a damage-over-time state on the enemy.
Across the 4 teams on this page, the most common teammates are Kafka (3 teams), Hysilens (3 teams), Huohuo (1 team) and Dan Heng • Permansor Terrae (1 team).
Every Black Swan team listed here has at least one 5-star teammate. The replacements under each slot are the place to look for a 4-star that can stand in.