Highlighted weapons are free options.
DPS Raiden centers around using her Burst for damage and to generate energy for your team, while keeping her Skill active. Due to her Resolve mechanic, on-field playstyle, and the amount of energy she generates, she synergizes best with high-energy-cost off-field characters.
Start your rotation with Raiden's Skill.
Burst combo :
The ranking is based on Raiden's personal damage.
Raiden's main stat priority for Sands and Goblet entirely depends on the substats, whether she has external buffs, and which weapon she is running. Using an optimizer/calculator would be the best way to work out your optimal setup.