Arts Crit Team Support: Casgil or Holmes

From what i know Holmes is kind of selfish even though he has some utlity, if you are looking for support and utility i think a casgil will serve you well.

All of CasGil's skills boosts the team's performance. His NP can generate a lot of stars with a team def up bonus. Also, a lower cost than Holmes.

CasGil is the most ideal support for arts crit comp. Having star gen at 100%, basic charisma buff (but still good), and a party wide arts up capping at 30% which is almost the same as tamamo's fox wedding but with debuff rate + instead of heal.

Holmes runs as a support DPS. So he's like a secondary DPS, if you will.

Honestly, Tamamo + Holmes + CasGil isn't a bad comp.