Refinements:

R1: Sakura Saiguu

After the character equipped with this weapon triggers an Electro elemental reaction, nearby party members of an Elemental Type involved in the elemental reaction receive a 10% Elemental DMG Bonus for their element, lasting 6s. Elemental Bonuses gained in this way cannot be stacked.

R2: Sakura Saiguu

After the character equipped with this weapon triggers an Electro elemental reaction, nearby party members of an Elemental Type involved in the elemental reaction receive a 12.5% Elemental DMG Bonus for their element, lasting 6s. Elemental Bonuses gained in this way cannot be stacked.

R3: Sakura Saiguu

After the character equipped with this weapon triggers an Electro elemental reaction, nearby party members of an Elemental Type involved in the elemental reaction receive a 15% Elemental DMG Bonus for their element, lasting 6s. Elemental Bonuses gained in this way cannot be stacked.

R4: Sakura Saiguu

After the character equipped with this weapon triggers an Electro elemental reaction, nearby party members of an Elemental Type involved in the elemental reaction receive a 17.5% Elemental DMG Bonus for their element, lasting 6s. Elemental Bonuses gained in this way cannot be stacked.

R5: Sakura Saiguu

After the character equipped with this weapon triggers an Electro elemental reaction, nearby party members of an Elemental Type involved in the elemental reaction receive a 20% Elemental DMG Bonus for their element, lasting 6s. Elemental Bonuses gained in this way cannot be stacked.

Your support is more valuable than a primogem.