C1: The Scent Remained

Increases the maximum number of Rain Swords by 1.

C2: Rainbow Upon the Azure Sky

Extends the duration of Guhua Sword: Raincutter by 3s.
Decreases the Hydro RES of opponents hit by sword rain attacks by 15% for 4s.

C3: Weaver of Verses

Increases the Level of Guhua Sword: Raincutter by 3.

C4: Evilsoother

Throughout the duration of Guhua Sword: Raincutter, the DMG dealt by Guhua Sword: Fatal Rainscreen is increased by 50%.

C5: Embrace of Rain

Increases the Level of Guhua Sword: Fatal Rainscreen by 3.

C6: Hence, Call Them My Own Verses

Activating 2 of Guhua Sword: Raincutter's sword rain attacks greatly enhances the third sword rain attack. On hit, the third sword rain attack also regenerates 3 Energy for Xingqiu.